Renfro Rentals has issued bonds that have a 6% coupon rate, payable semiannually. The bonds mature in 12 years, have a face value of $1,000, and a yield to maturity of 8.5%. What is the price of the bonds? 

Brushy Mountain Mining Company's coal reserves are being depleted, so its sales are falling. Also, environmental costs increase each year, so its costs are rising. As a result, the company's earnings and dividends are declining at the constant rate of 5% per year. If D0 = $5 and rs = 18%, what is the estimated value of Brushy Mountain's stock?

Wilson Wonders' bonds have 15 years remaining to maturity. Interest is paid annually, the bonds have a $1,000 par value, and the coupon interest rate is 12%. The bonds sell at a price of $1,100. What is their yield to maturity?