need some help please.

4. compare the price on July 24, 2009, of the following options on JetBlue stock to the price predicted by the Black-Scholes formula. Assume that the standard deviation of JetBlue stock is 65 % per year and that the short-term risk-free rate of interest is 1.2 % per year. a. December 2009 call option with a $ 5.00 strike price. b. December 2009 put option with a $ 6.00 strike price. c. March 2010 put option with a $ 7.00 strike price. a. December 2009 call option with a $ 5.00 strike price. The December contract expires on the Saturday (December 19) following the third Friday of December; there are 148 days left until expiration. The price of the call according to the Black-Scholes formula is $____. (Round to the nearest cent.) (Select the best choice below.) A. The December 2009 call option with a $ 5.00 strike price is in between $ 0.45 and $ 0.55. B. The December 2009 call option with a $ 5.00 strike price is in between $ 2.30 and $ 2.45. C. The December 2009 call option with a $ 5.00 strike price is in between $ 0.80 and $ 0.90 D. The December 2009 call option with a $ 5.00strike price is in between $ 1.40$1.40 and $ 1.50

b. December 2009 put option with a $ 6.00 strike price. The price of the put according to the Black-Scholes formula is $____. (Round to the nearest cent.) (Select the best choice below.) A. The December 2009 put option with a $ 6.00 strike price is in between $ 0.80 and $ 0.90 B. The December 2009 put option with a $ 6.00 strike price is in between $ 1.40 and $ 1.50. C. The December 2009 put option with a $ 6.00$6.00 strike price is in between $ 0.45 and $ 0.55 D. The December 2009 put option with a $ 6.00 strike price is in between $ 2.30and $ 2.45.

c. March 2010 put option with a $ 7.00 strike price. The March contract expires on the third Friday of March (19th); there are 239 days left until expiration. The price of the put according to the Black-Scholes formula is $___. (Round to the nearest cent.) (Select the best choice below.) A. The March 2010 put option with a $ 7.00strike price is in between $ 0.80 and $ 0.90. B. The March 2010 put option with a $7.00 strike price is in between $ 1.40 and $ 1.50 C. The March 2010 put option with a $ 7.00 strike price is in between $ 2.30 and $ 2.45. D. The March 2010 put option with a $ 7.00 strike price is in between $ 0.45 and $ 0.55. Click to select your answer(s).