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 10 percent. 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.) Answer is complete and correct. b. Calculate the NPV for both projects. (Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.) c. Which project, if any, should the company accept