please show work

5. A Bond is currently sold at $980, it has 20 years to maturity and 9% coupon rate. The bond will be called in 5 years, the bond will be called at a premium of $1,050, what is yield to call? 6. Suppose your firm is considering investing in a project with the cash flows shown as follows, and that the maximum allowable payback statistic for the project are two years Cash Flow -125,000 65,000 78,000 105.000 105.000 25,000 Calculate the payback period; should it be accepted or rejected? Time 0 1 2 3 7. Suppose your firm is considering two mutually exclusive, required projects with the cash flows shown as follows. The required rate of return on projects of both of their risk class is 10 percent Time Project A Cash Flow -1.000 300 700 Project B Cash Flow -500 200 Use the NPV decision rule to evaluate these projects; which one() should be accepted or rejected? 300