Size Cost Life Salvage Efficiency Energy Cost Operating Hours Motor 25 HP $13,000 20 Years $0 89.5% $0.07/kWh 3,120 hrs/yr. Efficient Motor 25 HP $15,600 20 Years $0 93% $0.07/kWh 3,120 hrs/yr. (a) At i= 13%, determine the operating cost per kWh for each motor. (b) At what operating hours are they equivalent?

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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economic

 

 

NO
entiendo
Mutually Exclusive Alternatives
with Equal Project Lives
Size
Cost
Life
Salvage
Efficiency
Energy Cost
Operating Hours
Standard
Motor
25 HP
$13,000
20 Years
$0
89.5%
$0.07/kWh
3,120 hrs/yr.
Premium
Efficient Motor
25 HP
$15,600
20 Years
$0
93%
$0.07/kWh
3,120 hrs/yr.
(a) At i= 13%, determine the operating cost per kWh for each motor.
(b) At what operating hours are they equivalent?
6
داری
TO
6
ron
m
8+
Transcribed Image Text:NO entiendo Mutually Exclusive Alternatives with Equal Project Lives Size Cost Life Salvage Efficiency Energy Cost Operating Hours Standard Motor 25 HP $13,000 20 Years $0 89.5% $0.07/kWh 3,120 hrs/yr. Premium Efficient Motor 25 HP $15,600 20 Years $0 93% $0.07/kWh 3,120 hrs/yr. (a) At i= 13%, determine the operating cost per kWh for each motor. (b) At what operating hours are they equivalent? 6 داری TO 6 ron m 8+
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