Find the value of a stock in the up node of a binomial tree, if the current price is $39.53, standard deviation is 21.2%, and the time period between nodes is 0.59 part of a year.

Find the value of a stock in the down node of a binomial tree, if the current price is$218.45, standard deviation 45.6%, and the time period between nodes is 0.56 part of a year.

What is the intrinsic value of a call option if the strike price is 44.26 and the current price is 52.66?