1. Suppose the recent observed prices of a stock are S(0)= 89, S(1)= 90, S(2)=91, S(3) = 87, S(4)=87, and S(5)=88, where S(t) is the stock price at time t. Suppose the expiration time T = 5 for parts A) and B). A) What is the payoff on a 90 strike Asian option given it is a geometric average price put? B) What is the expected payoff of an Asian geometric average strike call option