Tommygun's current stock price is $54, and the stock does not pay dividends. The instantaneous risk-free rate of return is 5%. The instantaneous standard deviation of Tommygun's stock is 40%. You want to purchase a put option on this stock with an exercise price of $45 and an expiration date 65 days from now. Using Black-Scholes, the put option should be worth today. O 0.46 0.53 9.57 9.93