Kaleb Konstruction, Inc., has the following mutually exclusive projects available. The company has historically used a three-year cutoff for projects. The required return is 11 percent. Year 0 12345 Project F Project G Project F -$139,000 58,000 52,000 62,000 57,000 52,000 Project G -$209,000 a. Calculate the payback period for both projects. (Do not round intermediate calculations and round your answers to 2 decimal places, e.g.,.32.16.) Project F Project G 38,000 53,000 92,000 122,000 137,000 Payback period years years b. Calculate the NPV for both projects. (Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.) Net present value