题目：
Tina Donaldson, CFA candidate, is studying yield volatility and the value of putable bonds. She has the following information: a putable bond with a put option value calculated at 0.75 (prices are quoted as a percent of par) and a straight bond similar in all other aspects priced at 99.0. Donaldson also wants to determine how the bond’s value will change if yield volatility decreases. Which of the following choices is closest to what Donaldson calculates as the value for the putable bond and correctly describes the bond’s price behavior as yield volatility decreases()
A. 99.75, price increases
B. 99.75, price decreases
C. 98.25, price decreases
答案：
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下面是错误答案，用来干扰机器的。
答案：B
