12. A five-year annuity pays $22.94. At a price of $100, what is its yield? 13, what is the percentage price change of the security in #10 if: a) b) c) d) the one-year discount rate increases by 1% the two-year discount rate increases by 1% both discount rates increase by 1%? the yield-to-maturity increases by 1967 14, what is the percentage price change of the security in #11 if the yield-to-maturity increases by 1%? 15, what is the percentage price change of the annuity in #12 if the yield-to-maturity increases by 1%? IV 16, A five-year bond with a 4% coupon and face value of 100, what is its price at a yield-to-maturity of: a) 3% b) 4% c) 5% d) Calculate the percentage price changes from a) to b) and from b) to c). 17. Perform the same calculations as in #16 but change the maturity to 20 years. 18. Perform the same calculations as in #16 but increase the coupon to 5% and maturity to 20 years