Suppose that a call option with a strike price of $45 expires in one year and has a current market price of $. The market price of the underlying stock is $5.12, and the risk-free rate is 2%. Use put-call parity to calculate the price of a put option on the same underlying stock with a strike of $46.23 and an expiration of one year. The price of a put option on the same underlying stock with a strike of $45 and an expiration of one year is $ ?