3-An increase in which one of the following will have a negative effect on the price of a call option? O 1.option strike price O2. risk-free interest rate O 3. underlying stock price O4. volatility of the underlying stock price 5. time remaining to option expiration 4-Which one of the following statements is correct concerning the Black-Scholes option pricing model? 1. The model assumes the put is in the money. 2. The model is based on American-style options. 3. The model assumes a stock pays a constant annual dividend 4. The model assumes that the current stock price is equal to the strike price 5. The model expresses time in terms of years.