The price of a non-dividend-paying stock is $100 and the continuously compounded risk-free rate is 5%. A 1-year European call option with a strike price of $100e^0.05(1)= $105.127 has a premium of $11.924. A 1.5 year European call option with a strike price of $100e^0.05(1.5)= $107.788 has a premium of $11.50. Demonstrate an arbitrage.