Engineering Economy (17th Edition)
17th Edition
ISBN: 9780134870069
Author: William G. Sullivan, Elin M. Wicks, C. Patrick Koelling
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 80FE
For the following table, assume a MARR of 10% per year and a useful life for each alternative of six years that equals the study period. The rank-order of alternatives from least capital investment to greatest capital investment is Do Nothing
→ A → B → C → B.
Complete the
- a. Do Nothing
- b. Alternative A
- c. Alternative B
- d. Alternative C
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This is the complete homework question.
Alternative A and B are two mutually exclusive cost alternatives, and one of them must be
selected. Using Incremental Analysis, which of the alternatives should be recommended based on
ERR (the External Rate of Return)? ·
MARR (Minimum acceptable rate of return) is 12% per year while the re-investment rate is
10% per year.
The study period is 20 years. Assume repeatability is appropriate for this comparison.
Alternative
A
B
$ (101,000)
$ (6,000)
20 years
$ (6,000)
$ (18,500 )
10 years
Initial capital investment
Annual operating expenses
Useful life
Salvage value
None
None
The following five alternatives that are evaluated by the rate of return method, If the alternatives are independent and the MARR is 15% per year, the onels) to select is (are)
Incremental ROR, N.
When Compared with
Alternative
Initial
Investment,S
Alternative
Alternative
A BC DE
10.6
27.3
194
353 25.0
-25,000
-35,000
13.1
38.5
24.4
-40,000
13.4
46.5
27.3
26.8
-60,000
25.4
-75,000
20.2
Only D
O Only D and E
O Only A D, and E
O Only E
Chapter 6 Solutions
Engineering Economy (17th Edition)
Ch. 6 - An oil refinery finds that it is necessary to...Ch. 6 - The Consolidated Oil Company must install...Ch. 6 - One of the mutually exclusive alternatives below...Ch. 6 - Three mutually exclusive design alternatives are...Ch. 6 - Prob. 5PCh. 6 - Prob. 6PCh. 6 - Fiesta Foundry is considering a new furnace that...Ch. 6 - Prob. 8PCh. 6 - DuPont claims that its synthetic composites will...Ch. 6 - Prob. 10P
Ch. 6 - Which alternative in the table below should be...Ch. 6 - Prob. 12PCh. 6 - The alternatives for an engineering project to...Ch. 6 - Prob. 14PCh. 6 - Prob. 15PCh. 6 - Prob. 16PCh. 6 - Refer to the situation in Problem 6-16. Most...Ch. 6 - An old, heavily used warehouse currently has an...Ch. 6 - Prob. 19PCh. 6 - Two electric motors (A and B) are being considered...Ch. 6 - Two mutually exclusive design alternatives are...Ch. 6 - Pamela recently moved to Celebration, Florida, an...Ch. 6 - Environmentally conscious companies are looking...Ch. 6 - Prob. 24PCh. 6 - Two 100 horsepower motors are being considered for...Ch. 6 - In the Rawhide Company (a leather products...Ch. 6 - Refer to Problem 6-2. Solve this problem using the...Ch. 6 - Prob. 28PCh. 6 - Prob. 29PCh. 6 - Two electric motors are being considered to drive...Ch. 6 - Prob. 31PCh. 6 - Prob. 32PCh. 6 - Prob. 33PCh. 6 - Potable water is in short supply in many...Ch. 6 - Three mutually exclusive investment alternatives...Ch. 6 - Prob. 36PCh. 6 - A companys MARR is 10% per year. Two mutually...Ch. 6 - Prob. 38PCh. 6 - a. Compare the probable part cost from Machine A...Ch. 6 - A one-mile section of a roadway in Florida has...Ch. 6 - Two mutually exclusive alternatives are being...Ch. 6 - Prob. 42PCh. 6 - IBM is considering an environmentally conscious...Ch. 6 - Three mutually exclusive earth-moving pieces of...Ch. 6 - A piece of production equipment is to be replaced...Ch. 6 - Prob. 46PCh. 6 - Prob. 47PCh. 6 - Prob. 48PCh. 6 - Prob. 49PCh. 6 - Prob. 50PCh. 6 - Prob. 51PCh. 6 - Prob. 52PCh. 6 - Prob. 53PCh. 6 - Use the imputed market value technique to...Ch. 6 - Prob. 55PCh. 6 - Prob. 56PCh. 6 - Prob. 57PCh. 6 - Prob. 58PCh. 6 - Prob. 59PCh. 6 - Prob. 60PCh. 6 - Prob. 61PCh. 6 - Prob. 62PCh. 6 - Prob. 63PCh. 6 - Prob. 64PCh. 6 - Prob. 65PCh. 6 - Prob. 66PCh. 6 - Three models of baseball bats will be manufactured...Ch. 6 - Refer to Example 6-3. Re-evaluate the recommended...Ch. 6 - Prob. 69SECh. 6 - Prob. 70SECh. 6 - Prob. 71SECh. 6 - Prob. 72CSCh. 6 - Prob. 73CSCh. 6 - Prob. 74CSCh. 6 - Prob. 75FECh. 6 - Prob. 76FECh. 6 - Prob. 77FECh. 6 - Complete the following analysis of cost...Ch. 6 - Prob. 79FECh. 6 - For the following table, assume a MARR of 10% per...Ch. 6 - Prob. 81FECh. 6 - Problems 6-82 through 6-85. (6.4) Table P6-82 Data...Ch. 6 - Prob. 83FECh. 6 - Problems 6-82 through 6-85. (6.4) Table P6-82 Data...Ch. 6 - Problems 6-82 through 6-85. (6.4) Table P6-82 Data...Ch. 6 - Consider the mutually exclusive alternatives given...Ch. 6 - Prob. 87FE
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- Three mutually exclusive electric-vehicle battery systems are being investigated by a large automobile manufacturer. Pertinent data are given below: Solve, a. Use the PW method to select the best battery system. The MARR is 15% per year, and the system chosen must provide service for 10 years. Assume repeatability. b. Confirm your recommendation in Part (a) using the IRR method.arrow_forwardIf the IRR of Alternative A is 10%, the IRR of Alternative B is 8% and the MARR is 6%, which of the following is true? OAlternative B is preferred over Alternative A Alternative A is preferred over Alternative B Both alternatives are preferred over the do nothing alternative Both b and c are truearrow_forwardQuestions: A.) Future worth of Alternative A, B, C & D B.) Using the future worth method, which Alternative should be chosen? C.) Annual worth of Alternative A, B, C, & D D.) Using Annual worth method, which alternative should be chosen?arrow_forward
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