Stock XYZ is currently at $65. Consider two July call options with different strike prices, the July 60 call and the July 70 call. The price of one call option is $3 and the other is $7.

a. Based on the provided information, what is the price of July 60? What is your reasoning?

b. If a speculator has a view that the stock XYZ will increase moderately, which option you will recommend her to buy? What is the reasoning behind your commendation?

c. If the stock XYZ price increases dramatically to $80 just before option expiration, which option will provide a better return, July 60 call or July 70 call? Show your working process.

d. An investor established a spread by buying a July 60 call and simultaneously selling a July 70 call. Under what circumstance the spread will outperform buying a July 60?