Your firm is required to make fixed-rate interest payments but prefers to make floating-rate payments. Another firm is obligated by its bond indenture to make floating-rate payments but desires to make fixed-rate payments. You can help both firms achieve their preferences by arranging a(n) ___________.

A) interest rate forward contract

B) interest rate futures option

C) interest rate swap

D) interest rate option contract

E) none of the above