John can buy 2,000 units of corn at $57 per unit in a long future contract. The required initial margin is $33,000 and the maintenance margin is $25,000. What is the minimum future price (in $) that allows John to withdraw $15,000 from the margin account? Select the most suitable answer.

a.

63.0

b.

62.5

c.

65.5

d.

64.5

e.

66.0