please provide answers on the financial calculator how to calculate!!

11. A comporate bond matures in 3 years. The bond has an 8% semianmal coupon and a par value of $1000. The bond is callable in two years at call price or $1050. The price of the bond today is 31075 . What are the bond' yield to call? b. 9% c.4.5\% d. 6.33% n=3 12. Midea cooperation bonds mature in 3 years and havo a yield to maturity of 8.5%. The par value of the bond is $1000. The bond have a 10% coupon rate and paty interest on semiannual basis. What is the capital gain yield (loss) on this bond? a. 9.625%. b. 1.75% b. 8.5% d. 1.125% 13. A ten year bond is currently selling for $1037 and has yield to maturity of 6.23%, what is the coupon rate for this bond if the face value is $1000 ? a. 6.75% b. 7.5% c. 8.5% d. 9.5%