Which of the following statements about currency swaps is/are true? I. The differences in how credit risk is priced gives rise to comparative advantage in borrowing through swaps. II. When an intermediary is involved in a swap, the intermediary assumes no counterparty risk for either end of the transaction III. All currency swaps have an NPV of zero when the contract is signed IV. It is possible for both counterparties to benefit from a swap even if one counterparty has the comparative advantage in all types of borrowing a. I, II, III, and IV b. II and IV c. II, III, and IV d. I and III e. I, II, and