The management of Unter Corporation, an architectural design firm, is considering an investment

The management of Unter Corporation, an architectural design firm, is considering an investment with the following cash flows:
Year Investment Cash Inflow
1 $ 73,000 $ 6,000
2 $ 6,000 $ 12,000
3 $ 20,000
4 $ 22,000
5 $ 25,000
6 $ 23,000
7 $ 21,000
8 $ 19,000
9 $ 18,000
10 $ 18,000
Required:
1. Determine the payback period of the investment.
2. Would the payback period be affected if the cash inflow in the last year were several times as large?