stock price will be either $79 or $101 at the end of the year. Call options are available with one year to expiration. T-bills currently yield 4...

stock price will be either $79 or $101 at the end of the year. Call options are available with one year to expiration. T-bills currently yield 4 percent.

Suppose the current price of the company's stock is $90. What is the value of the call option if the exercise price is $85 per share?