. Four mutually exclusive alternatives are available for purchasing a piece of construction equipment by a construction firm. The useful life of each alternative is 10 years. The cash flow details of alternatives are presented in Table 1. If the construction firm's minimum attractive rate of return (MARR) is 10% per year, select the best alternative using the present worth method. Alternative Cash flow Initial investment Annual profit (after deducting expenses) Salvage value Useful life (Years) Alternative-1 Alternative-2 Alternative-3 Alternative-4 48,00,000 53,00,000 59,00,000 7,25,000 9,90,000 11,85,000 10 8,05,000 9,30,000 6,50,000 10 13,65,000 45,00,000 10 9,40,000 10

. Four mutually exclusive alternatives are available for purchasing a piece of construction equipment by a construction firm. The useful life of each alternative is 10 years. The cash flow details of alternatives are presented in Table 1. If the construction firm's minimum attractive rate of return (MARR) is 10% per year, select the best alternative using the present worth method. Alternative Cash flow Initial investment Annual profit (after deducting expenses) Salvage value Useful life (Years) Alternative-1 Alternative-2 Alternative-3 Alternative-4 48,00,000 53,00,000 59,00,000 7,25,000 9,90,000 11,85,000 10 8,05,000 9,30,000 6,50,000 10 13,65,000 45,00,000 10 9,40,000 10

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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A project is being planned that has an initial investment at time 0, annual revenuesand expenses, and a salvage value at the end of the project lifespan (20 years). The financialvalues are summarized below:Initial investment amount at time 0 $150,000Estimated annual revenue $34,500 per yearEstimated annual expenses $8,700 per yearEstimated salvage value at end of lifespan $10,000Minimum attractive rate of return (MARR) 15%a. Calculate the capital recovery amount CR(i%).b. Using the annual worth (AW) method, determine whether purchasing the equipmentis economically justified.c. Repeat part (a) using the internal rate of return (IRR) method based on annual worth(AW).d. Using the present worth (PW) method, determine the break-even time period afterwhich purchase of the equipment generates a profit. (Find N when PW = 0) year period.
3) A and B are mutually exclusive projects.. What MARR has to be for A to be chosen? A B Initial cost Useful life Annual benefit Salvage value Rate of return $30,000 6 years $8,577 $0 18%lyr $50,000 6 years $8,577 $29,098 12%/yr a) MARR<8.4% b) MARR< 6.4% c) 8.4%
2. Two alternatives, a flexible manufacturing cell and fixed automation, have different cost and revenue characteristics as follows: Flexible Cell Fixed Automation Investment S2,500,000 б уears S800,000 in first year; increasing by $100,000 each year thereafter $300,000/year $1,500,000 3 years S800,000/year Life Gross cash savings s100,000 in the first year; decreasing to S80,000 in second year and S70,000 in third year Cash disbursement MARR 20% 20% Assuming "repeatability" and service needed for 6 years, show which alternative is preferred using the method of rate of return.
For the project with cash flow given below find the most sensitive factor among annual benefit, annual cost and salvage value if the changes by ±20%. Initial investment Annual revenue Annual Cost Salvage Value MARR Life in years Project Rs.2,00,000 Rs.1,00,000 Rs. 40,000 Rs. 50,000 10% 5
ABC Inc is considering the purchase of new pulverizing equipment. The top management of the company has requested that you provide the net present value for the equipment being considered. The relevant data for the new equipment are presented below: First Cost $125,000 Annual Income 10,000 Annual Operating Cost 8,000 (The first year and increasing by $750 per year ) Property Taxes 5% of first cost Salvage Value 8% of first cost ABC Inc has a minimum attractive rate of return (MARR) of 4% and the equipment has an expected useful life of 6 years
(b) Use the easiest technique to determine which one of the following alternatives should be selected. MARR = 10% and the chosen alternative is needed for 6 years. Write down any assumptions that you make. Alternative 1 2 Capital Investment Annual Revenues less Expenses Useful Life -$10,000 $6,000 -$15,000 $6,500 2 3
2. You are presented with three investment possibilities; however, you only have enough money to invest in one (the opportunities are mutually exclusive). The MARR is 5%,. Which one should be chosen? Make a decision based on an incremental rate of return analysis. A B Initial Cost Annual Benefit $ Salvage ValueS Life (yrs) $ (100,000) $ (150,000) S (210,000) 45,000 $ 35,000 $ 6. 50,000 $ 10,000 S 27,000 40,000 6| 8% ROR 12% 11%
Which alternatives can be eliminated immediately in the first step of incremental rate of return analysis, if MARR = 10.0%? Do-nothing A B C D First cost 10 $6,000 $4,500 $9,500 $9,500 Annual 0 998 829 1,716 1,384 benefit Life 10 yrs ROR 10.5% 13.0% 12.5% 7.5% D only not enough information попе D and C
2. If the rate of return on the additional cash flows between the two alternatives is less than the MARR rate, which alternative should be chosen? A. The alternative to choose is one that requires a lower initial investment B. The alternative chosen is the alternative with the smallest annual cost c. The alternative chosen is the alternative with the highest annual cost D. The alternative chosen is an alternative with an annual fee equal to the initial fee Please solve based the option max 20 minutes ASAP
P is using an 11% annual interest rate to decide if they should buy Truck A or Truck B. Which truck is more economical to buy, assuming that the two trucks serve similarfunctions and purposes? Use (a) Annual Cost Method (b) Present Worth Method, (c) Rateof Return on Additional Investment method. Formulas to be used: Rate of return on additional investment =(Savings of Benefits / Additional Capital) x 100% ROR≥ MARR (Choose the alternative with larger capital) ROR ≤ MARR (Choose the alternative with lesser capital investment)
You are given the cash flow series for two projects, Alt. A and Alt. B. YEAR 1 2 3 4 5 6 Alt. A - F1 X X X + S1 Alt. B - F2 Y Y Y Y Y Y + S2 Assume that F2 > F1, and X, Y, S1, and S2 are positive; the incremental rate of return (i*) on the additional investment in Alt. B can be calculated with the following expression: = - = - = - · F2 + Y (P/A, i*, 6) + S2(P/F, i*, 6) (F2 F1) + (Y - X)(P/A, i*, 5) + (S2 - S1)(P/F, i*, 6) (F2 F1)(F/P, i*, 6) + (Y - X)(F/A, i*, 6) + (S2 - S1) (F2 F1)+(Y - X) + (Y + S2) - (X + S1) 0 = (F1 F2)(F/P, i*, 6) + (X - Y)(F/A, i*, 6) + (S2-S1) == 0 = F1 + X(P/A, i*, 6) + S1(P/F, i*, 6) 0F2+Y(P/A, i*, 6) + S2(P/F, i*, 6) 0 = - 0 = - F1 + X(P/A, i*, 5) + S1(P/F, i*, 6) F2+ Y(P/A, i*, 5) + S2(P/F, i*, 6)
A Cost $4000 $2000 $6000 $1000 $9000 Annual benefit 639 410 761 117 750 Useful life, in years 20 20 20 20 20 i* 15% 20% 11.1% 9.9% 5.45% Perform incremental ROR analysis to select best one. MARR=6%; (P/A, 6%, 20) = 11.47 %3D