Answer:
5 years
Step-by-step explanation:
As per given data
Proposal X Proposal Y
Investment $812,500 $390,000
Useful life 8 years 8 years
Estimated annual net cash inflows $125,000 $78,000
Residual value $40,000 $0
Depreciation method Straight-line Straight-line
Required rate of return 14% 10%
Payback period is the time in which a project returns back the initial investment in the form of net cash flow.
Proposal Y
Initial Investment = $390,000
Annual net cash inflows = $78,000
Payback period = Initial Investment / Annual net cash inflows
Payback period = $390,000 / $78,000
Payback period = 5 years