The current price of Natasha Corporation stock is $6.41. In each of the next two years, this stock price can either go up by $2.50 or go down by $2.00. The stock pays no dividends. The one-year risk-free interest rate is 3.9% and will remain constant. Using the Binomial Model, calculate the price of a two-year call option on Natasha stock with a strike price of $7.00.