Please answer in excel with formulas, thanks! I will leave a good review

1(A)You shorted 1,000 shares of WDC at $55.6. Show your account equity position value.

If the stock price felt to $40 in 6 months and the company paid $2.8 in dividends, what is your dollar gain and percentage gain? What if the price went up to $68 a share? (Hint: if you shorted stocks that pays dividends, you have to pay the dividends out of your account.)

1(B)

You shorted 1,000 shares of MSFT at $215 a share. You got a margin call sometime after 3 months. The MM is 35%. What must be the stock price?