Sister Tool Co. is considering investing in specialized equipment costing $613,000. The equipment has a useful life of five years and a residual value of $65,000. Depreciation is calculated using the straightline method. The expected net cash inflows from the investment are given below:

Year 1 $213,000

year 2 $152,000

year 3 $160,000

year 4 $91,000

year 5 $138,000

Total $754,000 What is the average amount invested?