ΔRoR for the first increment (Alt. C-Alt. A) is ___________________.                             Alt. A Alt. B Alt. C Initial cost $5,000 9,000 7,500 Annual benefits $1,457 2,518 2,133 RoR 14% 12.4% 13% Life in years                    5   Group of answer choices 10.12% 11.00 11.85% 9.38%

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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ΔRoR for the first increment (Alt. C-Alt. A) is ___________________.                          

 

Alt. A

Alt. B

Alt. C

Initial cost

$5,000

9,000

7,500

Annual benefits

$1,457

2,518

2,133

RoR

14%

12.4%

13%

Life in years

                   5

 

Group of answer choices
10.12%
11.00
11.85%
9.38%
 
 
 
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