You have $$1,000$ to invest. You are considering either investing the full $$1,000$ into buying shares of Apple, or buying $$1,000$ worth of call options on Apple expiring in one month. Apple shares are trading for $$200$ each. A call option on Apple with a strike price of $$200$ is trading for $$5\mathrm{.}00.$

A$.$ If Apple's stock price goes to $$215$ in one month, what is the dollar profit$/$loss and percentage return on the stock investment? What is the dollar profit$/$loss and percentage return on the call option investment?

B$.$ If Apple's stock price goes to $$185$ in one month, what is the dollar profit$/$loss and percentage return on the stock investment? What is the dollar profit$/$loss and percentage return on the call option investment?