Q4: In December 2007, a call option on Google stock with a June 2008 expiration and an exercise price of $720 sold for $80.50. If you bought this call, you gained the right to purchase Google shares for $720 at any time until the option expired in June. The price of Google in December was $720. If the stock price did not rise by June, the call would not be worth exercising, and you would lose your investment of $80.50. On the other hand, even a relatively modest rise in the stock price could give you a rich profit on your option. For example, if Google sold for $840 in June, the proceeds from exercising the call would be:

I need to solve this question and be in the device and not in the hand, I repeat that it should be on the device

I mean that you should solve this question and that the solution be in the device and not in handwriting so that it is clear to me.....