William bought one \\( A B C \\$ 45 \\) call contract (i.e., the exercise price is \\( \\$ 45 \\) ) for a premium of \\( \\$ 5 \\) per share. At expiration, he excised his right. The return on his investment hinges on the stock price at expiration. Which of the following is false? If the stock price at expiration is \\( \\$ 57 \\), his return is \166.67. If the stock price at expiration is \\( \\$ 60 \\), his return is \233.33. If the stock price at expiration is \\( \\$ 50 \\), his return is \22.22. If the stock price at expiration is \\( \\$ 52 \\), his return is \55.56