Please answer the following and show all work.

The Durango Company issued a 25-year bond 5 years ago with a lace value of $1,000. The bond pays interest semiannually at 10% annual coupon rate. What is the bond's price today if the interest rate on comparable newly issued bonds is 12%? What is the price today if the interest rate is 8%? Explain the results of parts a and b in terms of opportunities available to investors. What is the price today if the interest rate is 10%? Comment on your answer to part d. A company's bonds currently sell for $ 1.200. They pay a 6.5% annual coupon rate, have a 10 year maturity, and a $1,000 par value. The bonds can be called in 5 years at $1,065. Calculate the difference between this bond's YTM and its YTC (if called in 5 years)