Answer :
If the cost of equipment be $108000, residual value be $9000 and life is 5 years and the wage of employee be $41405 then the average rate of return is $11115 per annum.
Given that the cost of equipment be $108000, residual value be $9000 and life is 5 years and the wage of employee be $41405.
We are required to find the average rate of return of the equipment.
Depreciation of equipment=(108000-9000)/5=$19800 per year
Additional maintenance cost=$10490 per year
Total cost incurred per year on equipment=19800+10490
=$30290 per year
Wage of employee that is replaced=$41405 per year.
Profit by using equipment=41405-30290
=$11115 per year.
Hence if the cost of equipment be $108000, residual value be $9000 and life is 5 years and the wage of employee be $41405 then the average rate of return is $11115 per annum.
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