malissaellison597 malissaellison597 30-12-2022 Business contestada All other things equal (YTM = 10%), which of the following has the longest duration? A. a 30-year bond with a 10% coupon B. a 20-year bond with a 9% coupon C. a 20-year bond with a 7% coupon D. a 10-year zero-coupon bond