Jason purchases a 90-day Eurodollar futures contract at 95.25. One day later, the interest rates fall to 4.45%. What does Jason have to do?

a. He would have to deposit an additional $1,000 into his account.

b. He would have to deposit an additional $750 into his account.

c. He could withdraw $1,000 from his margin account.

d. He could withdraw $750 from his margin account.