The total return on a bond with a coupon rate of 6 percent will be most favourable if interest rates Select one: O a. decrease to 4 percent. O b. increase to 7 percent. . increase to 8 percent. O d. decrease to 5 percent. If a bond's market price was lower than the face value, its yield to maturity would be Select one: O a. lower than the coupon rate. O b. higher than the coupon rate. a shorter maturity. O d. longer than the maturity date.