I need help solving parts 1, 2 and 3 on either a TI84 Plus calculator, or a BA II Plus calculator. Please include these steps. Thanks

For Bond Problems, Unless told othenvise - Assume Semi Annual Compounding and face value of $1000 1) Find the annual coupon rate of this bond. Bond is priced at $1215. It has a 25 year life. Yield to maturity is 8%. a) 8% b)10% c)5% d)12% e) 14% 2) Use the following data to compute the Yield to maturity and Yield to call on the following bond : Bond has 25 year life. 12% coupon rate and priced at $1245. It can be called in five years with a call price of $1080. What is the yield to maturity d) 11.2% a)10.5% b) 9.9% c)9.4% 3) Use above data ; What is the yield to call a)7.4% b)8.5% c)9.3% d)10.6%