please help me with this

The management of Unter Corporation, an architectural design firm, is considering an investment with the foliowing cash flows: Required: 1. Determine the payback period of the investment. 2. Would the payback period be affected if the cash intlow in the last year were several times as large? Complete this question by entering your answers in the tabs below. Determine the payback period of the investment. (Round your answer to 1 decimal piace.)