The price of Chive Corp. stock will be either $$57$ or $$84$ at the end of the

year. Call options are available with one year to expiration. T$-$bills

currently yield $4$ percent.

$2$ a$.$ Suppose the current price of the company's stock is $$65.$ What is the

value of the call option if the exercise price is $$50$ per share?

b$.$ Suppose the exercise price is $$60in$ part $($a$).$ What is the value of the

call option now?