A. Invest all $15,000 in the stock, buying 100 shares. b. Invest all $15,000 in 1,500 options (15 contracts). c. Buy 100 options (one contract) for $1,000, and invest the remaining $14,000 in a money market fund paying 5% in interest over 6 months (10% per year). What is your rate of return for each alternative for the following four stock prices in 6 months? (Leave no cells blank - be certain to enter "0" wherever required. Negative amounts should be indicated by a minus sign. Round the "Percentage return of your portfolio (Bills + 100 options)" answers to 2 decimal places.)