A put option written on the stock of Ellis Enterprises (EE) has an exercise price of $30 and 9 months remaining until expiration. The risk-free rate is 5%. A call option written on EE has the same exercise price and expiration date as the put option. EE's stock price is $45. If the call option has a price of $18.99, what is the price (i.e., value) of the put option?