Which of the following statements is/are correct?Statement I. If a bond's coupon rate is greater than its YTM, its price will be at a premium to par value.Statement II. The percentage decrease in value when the YTM increases by a given amount is smaller than the increase in value when the YTM decreases by the same amount.
选项：

A: Both statements are correct.
B: Both statements are incorrect.
C: Only one statement is correct.