please help with both requirements

Problem 8-21 NPV and Payback Period [LO 1,4] 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. Year - GAWN Project F -$ 135,000 60,000 50,000 60,000 55,000 50,000 Project G $ 205,000 40,000 55,000 90,000 120,000 135,000 Required: (a) Calculate the payback period for both projects. (Do not round intermediate calculations. Round your answers to 2 decimal places (e.g., 32.16).) Payback period years Project F Project G years (b) Calculate the NPV for both projects. (Do not round intermediate calculations. Round your answers to 2 decimal places (e.g., 32.16).) Net present value Project F Project G