Which of the following are valid types of swaps? 1. Floating-for-fixed interest rate swaps II. Fixed-for-fixed interest rate swaps III. Floating-for-floating interest rate swaps IV. Fixed-for-floating interest rate swaps a. O b. O c. O d. O e. None of the statements are correct III and IV I, III, and IV I, II, and IV I, II, III, and IV