15 Which of the following characteristics of bonds would require a higher coupon, all else equal? Multiple Choice 1 points 01:36:27 A bond with a sinking fund. A callable bond. Senior Debt None of these characteristics affect the coupon rate of a bond. 15 A bond with a sinking fund. 1 points 01:36:18 A callable bond. Senior Debt None of these characteristics affect the coupon rate of a bond. Secured Debt