Engineering Economy (17th Edition)
17th Edition
ISBN: 9780134870069
Author: William G. Sullivan, Elin M. Wicks, C. Patrick Koelling
Publisher: PEARSON
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Question
Chapter 11, Problem 14P
(a):
To determine
Sensitivity analysis.
(b):
To determine
Ranking the factor.
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A design change being considered by Mayberry, Inc., will cost $6,000 and will result in an annual savings of $1,000 per year for the 6-year life of the project. A cost of $2,000 will be avoided at the end of the project as a result of the change. MARR is 8%/yr. Solve, a. What is the internal rate of return of this investment? b. What is the decision rule for judging the attractiveness of investments based on internal rate of return? c. Should Mayberry implement the design change?
You are faced with a decision on an investment proposal. Specifically, the estimated additional income from the investment is $125,000 per year; the investment cost is $400,000; and the first year estimated expense of $20,000 and will increase a rate of 5% per year. Assume an 8-year analysis period, no salvage value, and MARR = 15% per year.
a. Calculate the PW and FW of this proposal?
b. What is the ERR ( Ԑ=MARR) of this proposal?
c. What is the Simple and Discounted payback?
(Upload the picture of your complete solutions including the correct cash flow diagram and your conclusion.)
Determine the ERR of the engineering project shown below when the MARR is 189% per year and the reinvestment rate is 15% per year. Express your answer in percent rounded to the nearest hundredths.
Investment cost
$10,290
Expected life
7 years
Market (salvage) value
$894
Annual receipts
$9,168|
Annual expenses
$5,191
Chapter 11 Solutions
Engineering Economy (17th Edition)
Ch. 11 - Prob. 1PCh. 11 - Refer to Example 11-2. Assuming gasoline costs...Ch. 11 - Prob. 3PCh. 11 - Prob. 4PCh. 11 - Prob. 5PCh. 11 - Prob. 6PCh. 11 - Prob. 7PCh. 11 - Prob. 8PCh. 11 - Prob. 9PCh. 11 - Prob. 10P
Ch. 11 - Prob. 11PCh. 11 - Prob. 12PCh. 11 - Prob. 13PCh. 11 - Prob. 14PCh. 11 - Prob. 15PCh. 11 - Prob. 16PCh. 11 - Prob. 17PCh. 11 - Prob. 18PCh. 11 - Prob. 19PCh. 11 - A bridge is to be constructed now as part of a new...Ch. 11 - An aerodynamic three-wheeled automobile (the Dart)...Ch. 11 - Prob. 23PCh. 11 - Prob. 24SECh. 11 - Prob. 25SECh. 11 - Prob. 26SECh. 11 - Prob. 27SECh. 11 - Prob. 28SECh. 11 - Prob. 29SECh. 11 - Prob. 30FECh. 11 - Prob. 31FECh. 11 - A supermarket chain buys loaves of bread from its...Ch. 11 - A supermarket chain buys loaves of bread from its...Ch. 11 - Prob. 34FECh. 11 - Prob. 35FECh. 11 - Prob. 36FECh. 11 - Prob. 37FECh. 11 - Prob. 38FECh. 11 - Prob. 39FECh. 11 - Prob. 40FECh. 11 - Prob. 41FECh. 11 - Prob. 42FE
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- If mutually exclusive projects with normal cash flows are being analyzed, the net present value (NPV) and internal rate of return (IRR) methods always agree. Projects Y and Z are mutually exclusive projects. Their cash flows and NPV profiles are shown as follows. Year Project Y Project Z 0 -$1,500 -$1,500 1 $200 $900 2 $400 $600 3 $600 $300 4 $1,000 $200 NPV (Dollars) 800 600 Project Y 400 Project Z 200 -200 0246 8 10 12 14 16 18 20 COST OF CAPITAL (Percent) If the weighted average cost of capital (WACC) for each project is 14%, do the NPV and IRR methods agree or conflict? O The methods agree. O The methods conflict.arrow_forwardIf the company's MARR is known to be 10%, is the investment justified?arrow_forwardMARR is 8%arrow_forward
- Vidhi is investing in some rental property in Collegeville and is investigating her income from the investment. She knows the rental revenue will increase each year, but so will the maintenance expenses. She has been able to generate the data that follows regarding this investment opportunity. Assume that all cash flows occur at the end of each year and that the purchase and sale of this property are not relevant to the study. • If Vidhi's MARR = 6% per year, is this investment a profitable undertaking? Use Future Worth method! Year Revenue Year Expenses 1 $6,000 1 $3,100 2 6,200 2 3,300 6,300 3 3,500 6,400 4 3,700 6,500 5 3,900 6,600 6 6,100 6,700 7 4,300 6,800 8 4,500 6,900 4,700 7,000 4,900 3 4 5 6 7 8 9 10 9 10arrow_forwardA firm is considering the “make vs. buy” question for a subcomponent. If the part is made in-house, the production data would be: first cost = $350, 000; annual costs for operation = $45, 000; salvage value = $15, 000; project life = 5 years; interest = 10%; and material cost per unit = $8.50. If annual production is 10,000 units, the maximum amount that the firm should be willing to pay to an outside vendor for the subcomponent is nearest? (a) $10 per unit (b) $16 per unit (c) $22 per unit (d) $28 per unit?arrow_forwardKaneb is evaluating two alternative pipeline welders. Welder A costs $310,000, has a 7-year life, and is expected to generate net cash inflows of $78,000 in each of the 7 years. Welder B costs $320,000, has a 5-year life, and is expected to generate annual net cash inflows of $68,900 in each of the 5 years. Kaneb's cost of capital is 16%. Using the equivalent annual annuity method, which alternative should be chosen and what is its NPV?arrow_forward
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