A firm with a floating-rate bond investment portfolio could manage its interest rate risk by: a. b. c. d. Entering into a pay-fixed-receive-floating interest rate swap Entering into a pay-floating-receive-fixed interest rate swap Constructing an interest rate collar by buying a cap and selling a floor None of the above A firm with fixed-rate debt that expects interest rates to fall may engage in a swap agreementto a. Pay fixed-rate interest and receive floating rate interest. b. Pay floating-rate interest and receive fixed-rate interest. c. Pay fixed-rate interest and receive fixed-rate interest d. Pay floating-rate interest and receive floating-rate interest