Consider European call and put options on a non-dividend paying stock. Base case assumptions are S=100,X=100, T=1,rf=2%,=40%. 1. Vary the exercise price. What are the call and put values and hedge ratios (deltas) for exercise prices of 90,100 , and 110 ? 2. For an exercise price of 110 , vary the volatility. What are the call and put values and hedge ratios (deltas) for volatilities of 30%,40%, and 50% ? 3. Vary the time to maturity. What are the call and put values and hedge ratios (deltas) for 1-, 2- and 3-year options? 4. For a risk-free rate of 20%, vary the time to maturity. What are the call and put values and hedge ratios (deltas) for 1-, 2- and 3-year options