1. As supervisor of a facilities engineering department, you consider mobile cranes to be critical equipment. The purchase of a new, medium-sized truck-mounted crane is being evaluated. The economic estimates for the two best alternatives are shown in the following table. MARR is at 15% per year. You can use the assumption of repeatability in this case. Alternative A В Capital investment $272,00 $346,000 Annual expenses Useful life (years) Salvage value 28,800 19,300 25,000 40,000

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Chapter1: Making Economics Decisions
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1. As supervisor of a facilities engineering department, you consider mobile cranes to be
critical equipment. The purchase of a new, medium-sized truck-mounted crane is being
evaluated. The economic estimates for the two best alternatives are shown in the following
table. MARR is at 15% per year. You can use the assumption of repeatability in this case.
Alternative
B
A
Capital investment $272,000 $346,000
Annual expenses
Useful life (years)
Salvage value
28,800
19,300
6
9
25,000
40,000
Show that the same selection is made for the following methods:
a. RORAI method
b. AWC method
c. PW method
Transcribed Image Text:1. As supervisor of a facilities engineering department, you consider mobile cranes to be critical equipment. The purchase of a new, medium-sized truck-mounted crane is being evaluated. The economic estimates for the two best alternatives are shown in the following table. MARR is at 15% per year. You can use the assumption of repeatability in this case. Alternative B A Capital investment $272,000 $346,000 Annual expenses Useful life (years) Salvage value 28,800 19,300 6 9 25,000 40,000 Show that the same selection is made for the following methods: a. RORAI method b. AWC method c. PW method
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