Santa bought an options contract on Telstra shares with an exercise price of $60 and an expiry date of three months. The market price for Telstra shares today is $56.85. The call price is trading at $0.45. a) Calculate the break-even amount for the call position and draw a fully labeled diagram for both buyers and sellers of the option. b) At what minimum share price will the option buyer exercise the option on the expiration date?