PLz help with this one

a. How much will the coupon payments be of a 30-year $10,000 bond with a 4.5% coupon rate and annual payments? b. How much will the coupon payments be of a 30-year $10,000 bond with a 4.5% coupon rate and semiannual payments? c. How much will the coupon payments be of a 30-year $10,000 bond with a 4.5% coupon rate and quarterly payments? d. If you pay $9,000 for the bond above, what is the APR for the bond and what is the EAR in the 3 scenarios? 2. Suppose a 7-year, S1000 bond with an 8% coupon rate and semiannual coupons is trading with a yield to maturity of 6.75%. a. Is this bond currently trading at a discount, at par, or at a premium? How do you know? b. If the yield to maturity of the bond rises to 7% (APR with semiannual compounding), what price will the bond trade for? c. Calculate the bond price is the yield to maturity further increases to 8% and 9%, respectively