Consider a puttable bond and a callable bond issued by the same issuer with the same term to maturity. When the volatility increases from 10% to 15%, the difference between the price of non-callable (regular) bond and callable bond increases by $1. What does happen to the gap between the price of puttable and callable bonds? It will increase exactly $1. It will increase less than $1. Depending on bond price, it can increase more or less than $1. It will increase more than $1