Answer: A positive NPV is gotten after 8 years
Explanation:
The net present value is also referred to as the net present worth. The net present value applies to a series of cash flows that occurs at different times.
The present value of cash flow depends on time interval between now and the cash flow and also depends on discount rate. The net present value accounts for time value of money.
The explanation for the question has been attached.
A positive NPV is gotten after 8 years.