You purchase a call option on a stock. The profit at contract maturity of the option position is __________, where X equals the option's strike price, S is the stock price at contract expiration, and C is the original purchase price of the option.

-C, if S X; (S - X) - C, if S > X

C, if S X; - (S - X) + C, if S > X

-C, if S X; (X - S) - C, if S < X

C, if S X; - (X - S) + C, if S < X