A share of the Around the World is currently trading at $1,200, and a 4.5-month call option on this company with exercise price of 1,250 is trading at $20. The risk-free interest rate is 3%. a) What should be the price of a 4.5-month put option on the stock with the same exercise price. b) If the price of 4.5-month put option is $40, how much money can you make using the arbitrage (for one share)