Please answer the question step by step with the clear calculation

Question 2. Investment Consider an investment that costs $160,000 and has a cash inflow of $42,000 every year for 6 years. The required return is 10%, and required discounted payback period is 5 years. a. What is the payback period? b. What is the discounted payback period? c. What is the NPV? d. What is the IRR? e. Should we accept the project