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 whitout PV for both projects. (Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 8,732.16) b. Calculate the NPV for both projects. (Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 8,732.16) c. Which project, if any, should the company accept? just write the letter