Problem 3 (6 points): A 7-month forward price on a stock is $100. The price of a 3-months European call option with strike price of $98 on this forward contract is $5. Using Black's model, find the price of a 4- months European put option with strike price of $101 on the same forward contract if the risk- free interest rate is 8%. You may want to use Excel for this question.