The management of Unter Corporation, an architectural design firm, is considering an investment with the following cash flows:

Year	Investment	Cash Inflow
1	15000	1000
2	8000	2000
3		2500
4		4000
5		5000
6		6000
7		5000
8		4000
9		3000
10		2000

Requirement 1: payback years

Determine the payback period of the investment. (Round up your answer to the next whole number.)

Requirment #2 would the payback period be affected if the cah inflow in the last year were several times as large