22, The current price of a stock is $44 and a one-month call option with a strike price of $45 sells for $4.70. A speculator feels that the stock's price will increase and is considering either buying 100 shares or buying 20 call option contracts. Above what price must the stock rise for the option strategy to first start to become more profitable? a. $46 b. $48 c. $50 d. $52 e. $54