Exam answers ENG-6203 Engineering Economincs

A certain machine costs 25M while its salvage value is 150,000 at the end of 8 years Determine its book value at the end of 4 years using the declining balance method if k =012

1,449,238
1,949,238
1,994,238
1,499,238 Correct

A certain machine costs 25M while its salvage value is 150,000 at the end of 8 years Determine its book value at the end of 4 years using the Straight Line Method

1,835,000
1,385,000
1, 825,000
1,325,000 Correct

A community wishes to purchase an existing utility valued at P500,000 by selling 5% bonds that will mature In 30 years The money to retire the bond will be raised by paying equal annual amounts into a sinking fund that will earn 4% What will be the total annual cost of the bonds until they mature?

P44, 66798
P33, 91505 Correct
P34, 51505
P37, 34578

A company has a production capacity of 500 units per month and its fixed costs are P250,000 a month The variable costs per unit are P1, 150 and each unit can be sold for P2,000 Economy measures are instituted to reduce the fixed costs by 10 per cent and the variable costs by 20 per cent Determine the new break-even point

To break-even (new): x = 198 units per month
To break-even (new): x = 218 units per month
To break-even (new): x = 208 units per month Correct
To break-even (new): x = 188 units per month

A company issued 100 bonds of P1,000 face value each, redeemable at par at the end of 15 years to accumulate the funds required for redemption The firm established a sinking fund consisting of annual deposits, the interest rate of the fund being 4% What was the principal in the fund at the end of 12th year?

F=P75,241
F=P75,041 Correct
F=P75,141
F=P75,341

A Company purchased an asset for P10, 00000 and plans to keep it for 20 years If the salvage value is zero at the end of the 20th year, what is the depreciation in the third year? Use sum - of - the - years digit deprecation

P85700 Correct
P100000
P74700
P93700

A compressor can be purchased with a down payment of 8, 000 and equal installments of 600 each paid at the end of every month for the next 12 months If money is worth 12% compounded monthly, determine the equivalent cash price of the compressor

14,74305
14,77305
14,75305 Correct
14,76305

A contractor can purchase a dump truck for P850, 000 It is estimated that if sold at the end of 7 years it will have a value of P100, 000 Its estimated annual maintenance cost is P12, 000 and daily operating expenses are estimated to be P320 including the wage of the driver It is also possible to hire a similar unit for P1200 a day, including fuel cost If money is worth 10%, how many days a year must the dump truck be used to justify the purchase of the truck

N = 20006 days Correct
N = 21106 days
N = 21006 days
N = 20106 days

A farmer bought a tractor costing P25,000 payable in 10 semi annual payments, each installment payable at the beginning of each period If the rate of interest is 26% compounded semi-annually, determine the amount of each installment

P4,11720
P4,01720
P4,17720
P4,07720 Correct

A lathe for a machine shop cost P60,000 if paid in cash On the installment plan, a purchaser should pay P20,000 down payment and 10 quarterly installment, first due at the end of the first year after compounded quarterly Determine the quarterly installment

P5,43918 Correct
P5,58918
P5,48918
P5,53918

A local company assembling computer accessories produces 300 units per month at a cost of P800 per unit Each accessory sells for P1, 200 If the fixed costs are P20, 000, 000 per month, what is the break-even point?

To break-even: X = 48 units per month
To break-even: X = 50 units per month Correct
To break-even: X = 55 units per month
To break-even: X = 53 units per month

A machine costing P45, 000 is estimated to have a salvage value of P4, 350 when retired at the end of 6 years Depreciation cost is computed using a constant percentage of the declining book value What is the annual rate of depreciation in %?

3325%
3225% Correct
3425%
3525%

A machine part to be machined may be made either from an alloy of aluminum or steel There is an order for 8000 units Steel costs P380 per kg while aluminum costs P870 per kg If steel is used, the steel per unit weighs 110grams, for aluminum, 30 grams When steel is used, 50 units can be produced per hour, for aluminum, 80 units per hour with aid of tool costing P640, which will be useless after the 8,000 units are finished The cost of the machine and the operator is P1080 per hour How much is the cost per unit if aluminum is used?

The total cost of alloy of aluminum is P0676/unit
The total cost of alloy of aluminum is P0376/unit
The total cost of alloy of aluminum is P0476/unit Correct
The total cost of alloy of aluminum is P0576/unit

A machine part to be machined may be made either from an alloy of aluminum or steel There is an order for 8000 units Steel costs P380 per kg while aluminum costs P870 per kg If steel is used, the steel per unit weighs 110grams, for aluminum, 30 grams When steel is used, 50 units can be produced per hour, for aluminum, 80 units per hour with aid of tool costing P640, which will be useless after the 8,000 units are finished The cost of the machine and the operator is P1080 per hour How much is the cost per unit if steel is used?

The total cost of steel is P0634/unit Correct
The total cost of steel is P0534/unit
The total cost of steel is P0834/unit
The total cost of steel is P0734/unit

A man decided to paint his house himself after office hours He can paint 25sqm per hr on the average It takes him 15mins to prepare his materials after painting If there are 900sqm to be painted, how long it will take him it paint his house if he devotes 25hrs each day

195 days
185 days
1975 days
1875 days Correct

A man expects to receive P25, 000 in 8 years How much is that money worth now considering interest at 8% compounded quarterly

P13, 26583 Correct
P13, 28583
P13, 27583
P13, 25583

A man invest P10,000 now for the college education of his 2 year old son If the fund earns 14% effective, how much will the son get each year starting from his 18th to the 22th birthday?

P20, 79664
P20, 79164 Correct
P20, 78164
P20, 78664

A man is left with an inheritance from his father He has an option to receive P2 M at the end of 10 years; however he wishes to receive the money at the end of each year for 5 years If interest rate is 8%, how much would he receive every year?

P352, 53300
P200, 00000
P232, 02000 Correct
P400, 00000

A man owes P12,000 today and agrees to discharge the debt by equal payments at the beginning of each 3 months for 8 years where these payments include all interest at 8% payable quarterly Find the quarterly payment

P501 Correct
P510
P500
P511

A man paid P110,000 for a P100,000 bonds that pays P4000 per year In 20 years, the bond will be redeemed for P105,000 What net rate of interest will the man obtain on his investment?

356%
347% Correct
337%
340%

A man wants to make 14% nominal interest compounded semi - annually on a bond investment How much should the man be willing to pay bow for a 12%, P10,000 bonds that will mature in 10 years and pays interest semi - annually?

P8, 94050 Correct
P3, 11805
P2, 58419
P86782

A man wants to make 14% nominal interest compounded semi-annually on a bond investment How should the man be willing to pay now for a 12% - P10, 00000 bond that will mature in 10 years and pays interest semi-annually

P893060
P894060 Correct
P895060
P896060

A man will deposit P200 with savings and loan association at the beginning of each 3 months for 9 years If the association pays interest at the rate of 55% compounded quarterly, find the sum to his credit just after the last deposit

P93, 73000
P93, 75000
P93, 65000
P93, 63000 Correct

A manufacturing firm maintains one product assembly line to produce signal generators Weekly demand for the generators is 35 units The line operates for seven hours per day, five days per week What is the maximum production time per unit in hours required of the line to meet the demand?

15 hours per unit
25 hours per unit
1 hour per unit Correct
2 hours per unit

A Mechanical Engineer who was awarded a P450 00000 contract to install the machineries of an oil mill failed to finish the work on time As provided for in the contract, he has to pay a daily penalty equivalent to one-fourth of one per cent per day for the first 10 days and 05% per day for the next 10 days and one per cent per day for everyday thereafter If the total penalty was P60 75000, how many days was the completion of the contract delayed?

27 days
25 days
26 days Correct
28 days

A one bagger concrete mixer can be purchase with a down payment of P8,000 and equal installment of P600 each paid at the end of every month for the next 12 months If money is worth 12% compounded monthly, determine the equivalent cash price of the mixer

P14,85305
P14,78305
P14,75305 Correct
P14,88305

A P10,00000 bond with a rate of 10% payable annually is to be redeemed at par value after five years Determine the selling price to yield 8%

P10,69854
P10,59854
P10,89854
P10,79854 Correct

A P100,000, 6% bond, pays dividend semi - annually and will be redeemed at 110% on July 1, 1996, to yield an investor 4%, compounded semi - annually

P100, 00000
P112, 78665
P114, 48114 Correct
P113, 45698

A P100000, 14% bond will mature in eight years If the interest is to be paid quarterly, find the price to realize a yield to maturity of 1255%

P112194
P111194
P113194
P110194 Correct

A P20 00000 bond is sold now for P18 50000 Determine the redemption price at the end of seven years, if the yield is 12% semi-annually and the rate is 10% payable every six months

P20,86166
P20,11166
P20,81166 Correct
P20,76166

A P50 00000 bond with a rate of 8% payable quarterly may be purchased for P47 50000 If it may be redeemed after eight years, determine the bond's yield to maturity

928%
916%
926%
918% Correct

A P500000, 8% bond that pays interest semi-annually will mature in seven years Determine the price to realize a yield to maturity of 10%

P4,86110
P4,66110
P4,76110
P4,56110 Correct

A plant produces 300 units of auto air conditioners a month at P3, 600 each A unit sells for P4, 800 The fixed cost of production is P120, 000 a monthWhat is the break-even point?

To break-even: X =100 units per month Correct
To break-even: X =115 units per month
To break-even: X =105 units per month
To break-even: X =110 units per month

A proposed manufacturing plant will require a fixed capital investment of P8,000,000 and an estimated working capital of P1,500,000 Annual depreciation is estimated to be 8% of fixed capital investment If the annual profit is P2,000,000, determine the minimum payout period

Payout=368 years Correct
Payout=358 years
Payout=378 years
Payout=388 years

A proposed manufacturing plant will require a fixed capital investment of P8,000,000 and an estimated working capital of P1,500,000 Annual depreciation is estimated to be 8% of fixed capital investment If the annual profit is P2,000,000, determine the rate of return on the total investment and minimum payout period

Rate of Return (ROR)=2095%>8%
Rate of Return (ROR)=2115%>8%
Rate of Return (ROR)=2085%>8%
Rate of Return (ROR)=2105%>8% Correct

A suspension bridge was constructed for 24M The annual maintenance cost is P500 000 If the rate of interest is 6%, compute the capitalized cost of the bridge including maintenance

P31, 333, 33333
P33, 333, 33333
P32, 333, 33333 Correct
P30, 333, 33333

An asset is purchased for P120, 00000 Its estimated economic life is 10 years, after which it will be sold for P12, 00000 Find the depreciation for the first year using the sum - of - the - year's digit, (SYD)

P19,63600 Correct
P18,40000
P21,08000
P20,00000

An asset is purchased for P500, 00000 The salvage value in 25 years is P100,00000 What is the total depreciation in the first three years using straight - line method?

P48, 00000 Correct
P32, 00000
P16, 00000
P24, 00000

An equipment costing P250, 000 has an estimated life of 15 years with a book value of P30, 000 at the end of the period Compute the book value after 10 years using declining balance method

Cn=P59, 98734 Correct
Cn=P61, 97580
Cn=P60, 83280
Cn=P67, 45698

An equipment costing P250, 000 has an estimated life of 15 years with a book value of P30, 000 at the end of the period Compute the book value after 10 years using sinking fund method assuming i=8%

Cn=P132, 62260 Correct
Cn=P125, 66667
Cn=P138, 56760
Cn=P103, 33330

An equipment costing P250, 000 has an estimated life of 15 years with a book value of P30, 000 at the end of the period Compute the depreciation charge and its book value after 10 years using straight - line method

Cn=P105, 66667
Cn=P103, 66667
Cn=P103, 33330 Correct
Cn=P105, 33330

An equipment costing P250, 000 has an estimated life of 15 years with a book value of P30, 000 at the end of the period Compute the depreciation charge on its 10th year using sinking fund method assuming

d = P7, 56750
d = P8, 10250 Correct
d = P6, 68667
d = P8, 11250

An equipment costing P250, 000 has an estimated life of 15 years with a book value of P30, 000 at the end of the period Compute the depreciation charge on the 10th year using declining balance method

d=P9, 23593;Cn=P60, 83280 Correct
d=P8, 98745;Cn=P60, 83280
d=P9, 45678;Cn=P67, 45698
d=P9, 23593;Cn=P59, 98734

An equipment costing P3, 015, 000 has an estimated life of 12 years with a salvage value of P200, 000 at the end of the period Compute the book value at the end of 7 years using Declining Book Balance method

C7=P 609,132
C7=P 639,132
C7=P 629,132
C7=P 619,132 Correct

An equipment costing P3, 015, 000 has an estimated life of 12 years with a salvage value of P200, 000 at the end of the period Compute the book value at the end of 7 years using sum of the year's digit method

C7=P 744,34615
C7=P 743,34615
C7=P 741,34615 Correct
C7=P 742,34615

An initial investment of P2,000,000 was put up for a new business that will produce an annual revenue of P1,250,000 for 5 years and will have a salvage value of P200,000 Annual expenses for its operation and maintenance will amount to P300, 000If money is worth 12%, show by computation if this business is profitable or not using ROR Method

2433%
2333%
3333% Correct
3433%

An initial investment of P20,000,000 was put up for a new business that will produce an annual revenue of P12, 000,000 for 15 years and will have a salvage value of P2, 000,000 Annual expenses for its operation and maintenance will amount to P6, 000, 000If money is worth 12%, show by computation if this business is profitable or not using ROR Method

2461%
2411% Correct
2461%
2461%

An initial investment of P4, 000, 000 was put up for a new business that will produce an annual revenue of P2, 500, 000 for 5 years and will have a salvage value of P400, 000 Annual expenses for its operation and maintenance will amount to P600, 000Taxes and maintenance will cost 4% of the initial cost If money is worth 12%, show by computation if this business is profitable or not using ROR Method

2378% > 20% justified
2458% > 20% justified Correct
2358 > 20%; justified
2478% > 20% justified

An item is purchased for P100 00000 Annual costs are P18 00000 Using 8%, what is the capitalized cost of perpetual service?

P345, 000
P325, 000 Correct
P335, 000
P355, 000

At certain interest rate compounded quarterly, P1,000 will amount to P4500 in 15 years What is the amount at the end of 10 years?

P2,72570 Correct
P2,82570
P2,62570
P2,52570

Compute the equivalent rate of 6% semi - annually to a rate compounded quarterly

r=576%
r=586%
r=596% Correct
r=566%

Determine the ordinary simple interest on P5,000 for the period from January 15 to June 20, 1993, if the rate of simple interest is 14%

P33333
P31333
P32333
P30333 Correct

Determine the present worth of an annual payment of P2, 50000 at the end of each year for 12 years at 8% compounded annually

P18, 840 Correct
P17, 546
P15, 000
P30, 000

Find the amount at the end of 8 years if 1, 000 is invested at 6% per annum compounded monthly

1,61414 Correct
1,63414
1,60414
1,62414

Find the amount at the end of 8 years if 1, 000 is invested at 6% per annum compounded quarterly

1,60032
1,63032
1,62032 Correct
1,64032

Find the compound amount and interest if P2, 500 is invested at 8% compounded quarterly for 5 years and 6 months

P387495
P388495
P385495
P386495 Correct

Find the effective rate if interest is compounded quarterly at the nominal rate of 96% per annum

985%
988%
995% Correct
998%

Find the present value in pesos of a perpetuity of P15,000 payable semi-annually if money is worth 8% compounded quarterly

P371,38736
P371,28736 Correct
P371,29736
P371,39736

Find the present worth of a future payment of P80, 000 to be made in six years with an interest of 12% compounded annually

P = 40, 58039
P = 40, 43039
P = 40, 53039 Correct
P = 40, 48039

Francisco invested P300 00000 with 15% return in an electronic shop and 8% return in real estate His annual income from his investments is P40 00000 How much did he invest in the electronics shop?

P230 57143
P226 57143
P232 57143
P228 57143 Correct

How long will it take money to double itself if invested at 5% compounded annually?

1421 years Correct
1441 years
1431 years
1411 years

How many years will it take for an investment to doubleitself if invested at the rate of 4% compounded annually?

18 years Correct
19 years
195 years
185 years

How many years will it take for an investment to triple itself if invested at the rate of 4% compounded annually?

275 years
285 years
28 years Correct
27 years

How much must be invested in order to have 10, 000 at the end of 10 years if interest is paid at 6% per annum compounded annually?

5,58395 Correct
5,57395
5,59395
5,56395

Mr Perez bought a second hand cellular phone and then sold it to Rudy at a profit of 40% Rudy then sold the phone to Noel at a profit of 20% If Noel paid P285600 more than it cost Mr Perez, how much did Mr Perezpay for the unit?

P425000
P435000
P430000
P420000 Correct

Mr Robles plans a deposit of P500 at the end of each month for 10 years at 12% annual interest, compounded monthly The amount that will be available in two years is?

P13,58673
P14,48673
P13,48673 Correct
P14,58673

Refer to the paragraph below to answer the questionAn executive receives an annual salary of P600, 000 and his secretary a salary of P180, 000 A certain task can be performed by the executive working alone in four hours If he delegates the task to his secretary wit will require him 30 minutes to explain the work a d another 45 minutes to check the work Due to the unfamiliarity of the secretary to do the task, it takes her an additional time of 6 hours after being instructed Considering salary cost only, determine the cost of performing the task by each method, if the secretary works 2400 hours a year and the executive 3000 hours a yearCost of performing the task:Secretary working with executive

P63750
P73750 Correct
P93750
P83750

Refer to the paragraph below to answer the questionAn industrial engineer has designed two alternative methods of accomplishing a production job Both methods involve the acquisition of the same working place and other capital equipment to be used for this job only Method A calls for a crew consisting of three men each costing P30000 per hour This method will result in the production of 10 units per hour of which two will be rejectsMethod B calls for a crew of two men each costing P3500 per hour and should result in the production of eight units per hour of which one will be rejectThe cost of the direct material lost in each reject is P2000 If a certain total number of units is to be produced, find which method is more economicalMethod A:

Per unit cost =1625 Correct
Per unit cost =1825
Per unit cost =1525
Per unit cost =1925

Refer to the paragraph for the questions below A cement grinding mill with a capacity of 50 tons per hour utilizes forged steel grinding balls costing P12,000 per ton, which have a wear rate of 100 grams per ton cement milled Another cement mill of the same capacity uses high chrome steel grinding balls costing P50,000 per ton with wear rate of 20 grams per ton cement milled Determine the more economical grinding mill, considering other factors to be the sameFor Mill A:

P65/hour
P55/hour
P50/hour
P60/hour Correct

Refer to the paragraph for the questions belowA cement grinding mill =E2=80=9CA=E2=80=9D with a capacity of 50 tons per hour utilizes forged steel grinding balls costing P12, 000 per ton, which have a wear rate of 100 grams per ton cement milled Another cement mill =E2=80=9CB=E2=80=9D of the same capacity uses high chrome steel grinding balls costing P50, 000 per ton with wear rate of 20 grams per ton cement milled Determine the more economical grinding mill, considering other factors to be the sameFor Mill B:

P55/hour
P60/hour
P65/hour
P50/hour Correct

Refer to the paragraph for the questions belowA cement grinding mill =E2=80=9CA=E2=80=9D with a capacity of 50 tons per hour utilizes forged steel grinding balls costing P12, 000 per ton, which have a wear rate of 100 grams per ton cement milled Another cement mill =E2=80=9CB=E2=80=9D of the same capacity uses high chrome steel grinding balls costing P50, 000 per ton with wear rate of 20 grams per ton cement milled Determine the more economical grinding mill, considering other factors to be the sameFor Mill A:

P50/hour
P60/hour Correct
P65/hour
P55/hour

Refer to the paragraph for the questions belowA cement grinding mill with a capacity of 50 tons per hour utilizes forged steel grinding balls costing P12, 000 per ton, which have a wear rate of 100 grams per ton cement milled Another cement mill =E2=80=9CB=E2=80=9D of the same capacity uses high chrome steel grinding balls costing P50, 000 per ton with wear rate of 20 grams per ton cement milled Determine the more economical grinding mill, considering other factors to be the sameFor Mill B:

P60/hour
P50/hour Correct
P65/hour
P55/hour

Refer to the paragraph for the questions belowA cement grinding mill with a capacity of 50 tons per hour utilizes forged steel grinding balls costing P12, 000 per ton, which have a wear rate of 100 grams per ton cement milled Another cement mill =E2=80=9CB=E2=80=9D of the same capacity uses high chrome steel grinding balls costing P50, 000 per ton with wear rate of 20 grams per ton cement milled Determine the more economical grinding mill, considering other factors to be the sameSelection:

Therefore, Mill B is as economical as Mill A
No answer
Therefore, Mill A is more economical than Mill B
Therefore, Mill B is more economical than Mill A Correct

The cost of producing a small gadget consists of P2500 for labor and P4000 for materials The fixed charges in operating the plant are P125, 000 per month The variable cost is P150 per unit The gadget can be sold for P8500 each Determine how many gadgets must be produced per month to break-even

To break-even: X = 6,667 sets
To break-even: X = 6,757 sets Correct
To break-even: X = 6,657 sets
To break-even: X = 6,767 sets

The maintenance cost of an equipment is P15 00000 per year and its capitalized cost at 6% interest is P18M If the equipment has a salvage value of P30 00000 and has to be renewed at cost after 10 years, find its original cost

P700 24000
P701 24000 Correct
P70034000
P701 34000

Engineering Economincs

Showing 1-75 of 79 answers