An investor buys a single stock futures contract on Wolowitz Fashions stock, a company that currently pays no dividends sells at $170 per share. Each contract calls for delivery of 1,500 shares of stock in 1 year. The T-bill rate is 6% per year. If the stock price drops by 4%, what will be the change in the investor's margin account? (Round your answer to the nearest dollar amount. Negative amount should be indicated by a minus sign.) Change in the investor's margin account If the margin on the contract is $11.900, what is the percentage return on the investor's position? (Round your answer to 2 decimal places. Negative amount should be indicated by a minus sign.) Percentage retum on the investor's poston %