step by step instructions and ways to solve it using a finacial calculator

annual payment bond with a $1,000 par has a 6 percent quoted coupon rate, a 6 percent promised YTM, anid six years to maturity. What is the bond's duration? B) 5.21 years 28) A semiannual payment bond with a $1,000 par has a 7 percent quoted coupon rate, a 7 perceat promised YTM, and 12 years to maturity. What is the bond's duration? D) 8.31 years