Grizzly Bear Beer Companys stock is currently trading for $69. The stock has a volatility of 35% per annum. The risk-free interest rate is 5% per annum. The stock currently does not make any dividend payments.

A. Using the Black-Scholes option pricing formula, calculate the price of a 6-month European call with a strike price of $70.

B. Using the Black-Scholes option pricing formula, calculate the price of a 6-month European put with a strike price of $70.

C. Use the call and put prices calculated from parts (A) and (B) to check if put-call parity holds.

D. Are the call and put prices calculated here different from what you calculated in Problem 1? Explain why or why not.