Answer:
Step-by-step explanation:
a) calculate the total avoidable cost in keeping the old machine and buy a new machine:
PARTICULARS KEEP OLD BUY NEW
AMOUNT($) AMOUNT($)
Opportuinty cost of buying 40,000
the old machine
Purchase price 150,000
Operating expenses
(50,000 × 4 years) 200,000
Operating expenses
18,000 × 4 years) 72,000
TOTAL AVOIDABLE COST 240,000 222,000
b)Decision:
Since the cost of operating the new machine is lower,it should be replaced