There is a six month European call option available on XYZ stock with a strike price of $100. Build a two step binomial tree to value this option. The risk free rate is 2% (per period) and the current stock price is $100. The stock can go up by 20% each period or down by 20% each period.

a. $12.79 b. $14.15 c.$14.25 d.$14.00 e. $12.53