Please help with these two, thank you.

Exercise 12-1 Payback Method [LO12-1] The management of Unter Corporation, an architectural design firm, is considering an investment with the following cash flows: 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? Complete this question by entering your answers in the tabs below. Determine the payback period of the investment. (Round your answer to 1 decimal place.) Exercise 12-2 Net Present Value Analysis [LO12-2] The management of Kunkel Company is considering the purchase of a $22,000 machine that would reduce operating costs by $5,00 per year. At the end of the machine's five-year useful life, it will have zero salvage value. The company's required rate of return is 16% Click here to view and to determine the appropriate discount factor(s) using table. Required: 1. Determine the net present value of the investment in the machine. 2. What is the difference between the total, undiscounted cash inflows and cash outflows over the entire life of the machine? Complete this question by entering your answers in the tabs below. Determine the net present value of the investment in the machine. (Negative amount should be indicated by a minus sign. Use the appropriate table to determine the discount factor(s). Round your final answer to the nearest whole dollar amount.)