Suppose we purchased one Wal-Mart call option with the exercise price of $108 for a cost of $4, and wrote one Wal-Mart call option with the exercise price of $116 for a premium of $1. If the price of a share of Wal-Mart stock is $115 at expiration, our total profit for each underlying share would be O A) $1 B) $3 C) $4 D$7