A bond pays annual interest. Its coupon rate is 7.2 %. Its value at maturity is $1,000. It matures in 4 years. Its yield to maturity is currently 4.2% The modfied duration of this bond is A) 4.00 years D) 3.64 8) 3.49 26 All other things equal (YTM-10 %), which of the following has the longest duration? A a 20-year bond with a 9 % coupon aa 20-year bond with a 7 % coupon a a 10-year zero-coupon bond a 30-year bond with a 10 % coupon 17 The duration is independent of the coupon rate only for which one of the following? A) discount bonds B) premium bonds g short-term bonds D) perpetuities 18) If you choose a zero-coupon bond with a maturity that matches your investment horizon, which of