1. Aurizon Holdings limited shares currently trade at 5.21$. An investor enters into a long-call option on Aurizon with an exercise price of 5.8$ per share in four months, and a premium of 0.28$ per share.
   1. Calculate the break-even price for the short-call position
   2. Draw a fully labeled diagram of the long-call and short-call positions
   3. At what minimum stock price will the option buyer exercise the option on the expiration date?