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 6, Problem 79FE
To determine
Calculate the annual worth.
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Students have asked these similar questions
Two electric motors (A and B) are being considered to drive a centrifugal pump. Each motor is capable of delivering
60
horsepower (output) to the pumping operation. It is expected that the motors will be in use
1,200
hours per year. If electricity costs
$0.09
per kilowatt-hour and 1 hp =
0.746
kW, which motor should be selected if MARR =
7%
per year? Refer to the data below.
Two electric motors (A and B) are being considered to drive a centrifugal pump. Each motor is capable of delivering 40 horsepower (output) to the pumping operation. It is expected that the motors will be in use
800 hours per year. If electricity costs $0.08 per kilowatt-hour and 1 hp = 0.746 kW, which motor should be selected if MARR = 6% per year? Refer to the data below.
The AW for Motor A is $
Initial Cost
Electrical Efficiency
Annual
Maintenance
5 years
Click the icon to view the interest and annuity table for discrete compounding when the MARR is 6% per year.
(Round to the nearest dollar.)
Motor A
$1,700
0.75
$50
Life
Motor B
$900
0.55
$80
5 years
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
10
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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Similar questions
- 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 Nonearrow_forwardAn aerodynamic three-wheeled automobile (the Dart) runs on compressed natural gas stored in two cylinders in the rear of the vehicle. The $15,000 Dart can cruise at speeds up to 85 miles per hour, and it can travel 95 miles per gallon of fuel. Another two-seater automobile costs $11,000 and averages 45 miles per gallon of compressed natural gas. If fuel costs $8.00 per gallon and MARR is 12% per year, over what range of annual miles driven is the Dart more economical? Assume a useful life of six years for both cars. Click the icon to view the interest and annuity table for discrete compounding when the MARR is 12% per year. Dart is more economical if you are planning on driving miles or more per year. (Round to the nearest whole number.)arrow_forwardAn aerodynamic three-wheeled automobile (the Dart) runs on compressed natural gas stored in two cylinders in the rear of the vehicle. The $13,000 Dart can cruise at speeds up to 85 miles per hour, and it can travel 90 miles per gallon of fuel. Another two-seater automobile costs $12,000 and averages 50 miles per gallon of compressed natural gas. If fuel costs $8.00 per gallon and MARR is 10% per year, over what range of annual miles driven is the Dart more economical? Assume a useful life of six years for both cars. Click the icon to view the interest and annuity table for discrete compounding when the MARR is 10% per year. ... Dart is more economical if you are planning on driving more per year. (Round to the nearest whole number.) miles orarrow_forward
- An aerodynamic three-wheeled automobile (the Dart) runs on compressed natural gas stored in two cylinders in the rear of the vehicle. The $12,000 Dart can cruise speeds up to 80 miles per hour, and it can travel 105 miles per gallon of fuel. Another two-seater automobile costs $8,000 and averages 50 miles per gallon of compressed natural useful life of seven years for both cars. If fuel costs $8.75 per gallon and MARR is 8% per year, over what range of annual miles driven is the Dart more economical? Assume a gas.arrow_forwardYou plan to purchase new machines that will allow your company to manufacture at a much quicker rate. The machines cost $15,000 and produce annual revenue benefits of $2000 (MARR = 4%). What is the breakeven point?arrow_forwardUpload the picture of your complete solutions including the correct cash flow diagram (for plus points) and your conclusion. 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?arrow_forward
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