Janina, Incorporated, has the following mutually exclusive projects. Year Project A Project B 0 -$ 18,000-$21,000 1 11,000 12,000 8,500 2 3 7,500 2,700 7,500 e-1. Calculate the payback period for each project. (Do not round intermediate calculations and round your answers to 3 decimal places, e.g., 32.161.) Project A Project B years years b-1. What is the NPV for each project if the appropriate discount rate is 16 percent? (A negative answer should be indicated by a minus sign. Do not round Intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.) Project A Project B