Assume 0 interest rate and dividend yield. The spot price is 100. Implied vol is 0.2. What is the value of the European call option with strike 100 and maturity 1 year? If there is a call fee, say, 2 dollars, that needs to be paid if one exercise the call option, what is the value of the call option now? Assume 0 interest rate and dividend yield. The spot price is 100. Implied vol is 0.2. What is the value of the European call option with strike 100 and maturity 1 year? If there is a call fee, say, 2 dollars, that needs to be paid if one exercise the call option, what is the value of the call option now