is 4b correct? and how do you do 5?

Problem 4: Calculating NPV. For the cash flows in the previous problem, suppose the firm uses NPV to evaluate projects. 4a. At a required return of 11% the projects NPV is $0513 4a. Points: 5 b. At a required return of 20% the projects NPV is $15. Points: 5 Problem 5: Calculating NPV and IRR. A project that provides annual cash flows of $ 1,710 for 10 years costs $ 7,560 today. 5a. The NPV is $ 5a. Points: 3 5b. The NPV is 5b. Points: 3 if the required rate of return is 10% _if the required rate of return is 24%. SC. At what discount rate would you be indifferent between accepting the project and rejecting it? I would be indifferent at %. 5c. Points: 4 Problem 6: Calculating NPV and IRR. Use the following set of cash flows to calculate the NPV and IRR. Year Cash flow -6,500 0 0 1 6,800 2.700 if the required rate of return is 9%. 6a. The NPV is $ 6a. Points: 2.5 6b. The NPV is $ 6b. Points: 2.5 if the required rate of return is 19% if the required rate of return is 29%. 6c. The NPV is $ 6c. Points: 2.5 6d. The IRR is 6d. Points: 2.5