4. A stock is selling today for $74. The stock has an annual volatility of 44 percent, and the annual nominal risk-free interest rate is 6 percent. A 16-month European put option with an exercise price of $70 is available to an investor. a. Use Excel's data table feature to construct a Two-Way Data Table to demonstrate the impact of the exercise price and the option's duration on the price of this put option: i. Option durations of 3 months, 6 months, 9 months, and 12 months. ii. Exercise prices of $65,$68,$71,$74, and $77. b. How is the put option price impacted by varying the exercise price? c. How is the put option price impacted by varying the duration of the option