i need a breakdown of how to do 14 and 15 by hand

V70 14) The Sisyphean Company has a bond outstanding with a face value of $1000 that reaches maturity in five years. The bond certificate indicates that the stated coupon rate for this bond is 8.5% and that the coupon payments are to be made semiannually. Assuming that this bond trades for $1081.73, then the YTM for this bond is closest to 14) A) 9.18% B) 5.2% C) 6.56% D) 7.87% 15) A firm has a market value of equity of $30,000. It borrows $7500 at 8%. If the unlevered cost of equity is 16%, what is the firm's cost of equity capital? 15)__ A) 9.0% B) 25.2% C) 21.6% D18.0%