A stock is currently priced at $67 and has an annual standard deviation of 47 percent. The dividend yield of the stock is 3.4 percent, and the risk-free rate is 6.4 percent. What is the value of a call option on the stock with a strike price of $64 and 53 days to expiration? (Round your answer to 2 decimal places. Omit the "$" sign in your response.) Call option