can you please make sure i got them correct

Value a bond that is $1,000 par, semi-annual coupon payments, 20 years to maturity, 7% coupon rate, and with an 8% required (market) rate. Note: Show your answer in units of dollars, use plain numbers with at least two digits after the decimal (e.g., for $12,345.67, type 12345.67 ). Estimate the yield to call of a bond that is $1,000 par, semi-annual coupon payments, 25 years to maturity. 10% coupon, and is currently selling for $1,200. The bond is callable in 7 years at a 12% call premium. Note: Show your answer in units of percents, use plain numbers with at least two digits after the decimal (e.g, for 12.34%, type 12.34). Question 4 10pts Estimate the yield to maturity of T bond that is $1,000 par, semi-annual coupon payments, 25 years to maturity, 10\% coupon, and is currently selling for $1,200. Note: Show your answer in units of percents, use plain numbers with at least two digits after the decimal (e.g., for 12.34%, type 12.34)