An investor buys a single-stock futures contract on Wolowitz Fashion stock, a company that currently pays no dividends sells at $170 per share. Each contract calls for delivery of 1.700 shares of stock in 1 year. The T-bill rate is 7% per year. If the stock price drops by 5%. 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 inventor's margirt account of the margin on the contract is $12,700, who 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 pontion