Consider the following two mutually exclusive projects: YearCash Flow(A) Cash Flow(B)0–$352,000 –$49,000 1 43,000 23,800 2 63,000 21,800 3 63,000 19,300 4 438,000 14,400 Whichever project you choose, if any, you require a return of 15 percent on your investment. a-1What is the payback period for each project? (Do not round intermediate calculations and round your answers to 2 decimal places, e. g., 32.16.)