X-treme Vitamin Company is considering two investments, both of which cost $22,000. The cash flows are as follows: Year Project A Project B 1 $ 25,000 $ 22,000 2 12,000 11,000 3 8,000 14,000 Use Appendix B for an approximate answer but calculate your final answer using the formula and financial calculator methods. a-1. Calculate the payback period for Project A and Project B.