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A stock is currently selling for $42. In one period, the stock will move up by a factor of 1.24 or down by a factor of .95. A call option with a strike price of $51 is available. If the risk-free rate of interest is 2.5 percent for this period, what is the value of the call option? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Value of the call option