9. Put-call parity and the value of a put option Consider two portfolio A and 2. At the expiration date, t, both portfolios have identical payoffs. Portfolio A consists of a put option and one share of stod Portfolio has a call option (with the same strike price and expiration date as the put option) and cash in the amount equal to the present value (PU) of the strike price discounted at the continuously compounded risk-free rate, which XI. At expiration, the stock price is P and the value of this cash will equal the strike price, X Complete the equation for the put-call party relationship Now consider the stock of Grotesque Enterprises (GE) traded at the price =520 per share. A put option written on GES stock has an exercise price of X = $25 and 18 months remaining until expiration. The risk-free rate ist=% A call option written on Ge has the same exercise price and expiration date as the put option. If the call option has a price of Vc 56,50, then the price of the put option is Note: USB 2.7183 the approadmate value of e.)