Each of the following potentially alters the rate sensitivity of the underlying instrument. Presumably there is an embedded option associated with each. Indicate when the option is typically exercised and how it affects rate sensitivity. The current prime rate is 3.50 percent.

a) Commercial loan with a two-year maturity and a floating rate set at prime plus 2.5

percent. There is a floor of 4.0 percent representing the minimum rate that the bank will charge on the loan.