3800 3. Assume you shorted 100 shares of Intel at 40 in July 2018. You use the maximum margin of 50%. Intel also paid a 50 cent per share dividend in August, which you settled with your cash balance. Commissions are $20. If the price of Intel is $42 per share today, September 2018, and you close out your position, a) what is the dollar profit or loss on this transaction? b) What is the margin percentage in your account in September 2018 when you close out the position