answer all please tq!

1. A 10 year bond, which has just been issued, provides semiannual coupons of 6% a year in arrears. It is redeemed at par. What price is paid (per $100 nominal value) if bond yields an annual effective rate of interest of 8%? Ans: $87.37 2. A 20-year zero-coupon bond is redeemed at par. If the price paid per $1,000 face amount is $538.76, determine the annual effective yield rate. Ans: 3.14% 3. A bond pays semi-annual coupons at an annual rate of 10% of the nominal value. The annual effective yield to maturity is currently 4%, and the price paid per $1,000 par value is $1,404.06. If the bond is redeemed after 7 years, calculate the redemption payment. Ans: $1,050.00 4. An n-year bond pays annual coupons of 5% semiannually. The annual effective yield is 8% and the price per $100 par value is $86. The bond is redeemed at 110%. Find n. Ans: 10