Question 1 Consider a stock with a price with S = 90 and pays no dividends. The annual risk-free rate is 4%. A European call option on the stock with a strike price 80 and an expiration date nine months from now has a price of 15. What is the price of a European put option on this stock with the same strike price and expiration date?

Consider a stock with a price with S=90 and pays no dividends. The annual risk-free rate is 4%. A European call option on the stock with a strike price 80 and an expiration date nine months from now has a price of 15 . What is the price of a European put option on this stock with the same strike price and expiration date