A bond pays interest yearly has a face value of $1,000, a coupon rate of 9%, four (4) years until maturity, while the market rate for bonds of a similar rating is 6% at the time. Determine the change in price if the YTM rate changes to 7% from the original 9%. Seleccione una: a. $-54.88 b. $ 69.15 c. $-33.19 d. $74.19