an investor buys 2 rst 40 calls and pays a premium of 4 each. he also buys 2 rst 40 puts and pays a premium of 2.50 each. when purchased, rst is trading at $40.75. on the expiration date, rst is trading at $32.50, and the investor closes his positions for intrinsic value. excluding commission, the investor realizes a: A) $100 profit. B) $100 loss. C) $200 profit. D) $200 loss.