Huntsman Corporation has an accounts payable obligation of $550 million payable in one year to a supplier in Japan. Which of the following is NOT part of a money market hedge?

A. Buy the $550 million at the forward exchange rate.

B. Find the present value of $550 million at the Japanese interest rate.

C. Buy that much yen at the spot exchange rate.

D. Invest in risk-free Japanese securities with the same maturity as the accounts payable obligation.