The spot price of corn is $5.85 per bushel. The opportunity cost of capital for an investor is 0.5% per month. If storage costs of $0.04 per bushel per month are factored in, all else being equal, what is the likely price of a 4-month forward contract?

A) $5.808

B) $5.736

C) $5.968

D) $6.006

Answer: A (Please help me with the calculations)