Refer to the stock options on Microsoft in the Suppose you buy a November expiration call option on 100 shares with the excise price of $140. Required: a-1. If the stock price at option expiration is $145, will you exercise your call? Yes No a-2. What is the net profit/loss on your position? (Input the amount as a positive value.) a-3. What is the rate of return on your position? (Negative value should be indicated by a minus sign. Round your answer to 2 decimal places.)