The Following Prices Are Available for Call and Put Options

Multiple Choice

The following prices are available for call and put options on a stock priced at $50.The risk-free rate is 6 percent and the volatility is 0.35.The March options have 90 days remaining and the June options have 180 days remaining.The Black-Scholes model was used to obtain the prices.
Use this information to answer questions 1 through 20.Assume that each transaction consists of one contract (for 100 shares) unless otherwise indicated.
Answer questions 10 and 11 about a calendar spread based on the assumption that stock prices are expected to remain fairly constant. Use the June/March 50 call spread. Assume one contract of each.
-What will be the profit if the spread is held 90 days and the stock price is $45?

A) $36
B) $20
C) $558
D) -$20
E) none of the above