A put option with a strike price of $20 sells for $3.70. The option expires in four months, and the current stock price is $22.30. If the risk-free interest rate is 5.3 percent, what is the price of a call option with the same strike price? (Do not round intermediate calculations. Round your answer to 2 decimal places. Omit the "$" sign in your response.)

Price of a call option $ ?

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