You purchased a put option on a share of Facebook stock with an exercise price(X) of $65 per share for $4 (put option price, P0=$4 ). Assume that today is the expiration date of the option and the stock price is currently $70 per share. What is the breakeven point stock price (ST) that makes the net payoff equal to zero at the expiration date(T)? $69 $74 $61 $66