Answer:
The old computer should be replaced since the differential amount of the replacing it with a new computer is $10,000
Explanation:
Old machine New machine Differential
amount
purchase cost $0 ($15,000) ($15,000)
operating costs year 1 ($24,600) ($19,600) $5,000
operating costs year 2 ($24,600) ($19,600) $5,000
operating costs year 3 ($24,600) ($19,600) $5,000
operating costs year 4 ($24,600) ($19,600) $5,000
<u>operating costs year 5 ($24,600) ($19,600) $5,000 </u>
TOTAL ($123,000) ($113,000) $10,000
