Today is 5 September 2019 and you are long a future contract on a dividend-paying stock with current price of R150 and has maturity of 10 months. The stock is expected to pay dividends of R2 and R2.5 in 3 months and 6 months from now, respectively. What will be the profit/loss and margin account levels for your positions on 5th October 2019 if the price of the stock increases to R165?