Suppose you purchase 800 shares of stock at S61 per share with an initial cash investment of 515,000. The call money rate is 5 percent and you are charged a 1.5 percent premium over this rate. Calculate your return on investment one year later if the share price is $69. Suppose instead you had simply purchased 515,000 of stock with no margin. What would your rate of return have been now? (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places. Omit the "%" sign in your response.) Rate of return % Without margin, rate of return % Calculate your return on investment one year later if the share price is S61. Suppose instead you had simply purchased S15,000 of stock with no margin. What would your rate of return have been now? (Negative amounts should be indicated by a minus sign. Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places. Omit the "%" sign in your response.) Rate of return % Without margin, rate of return % Calculate your return on investment one year later if the share price is S45. Suppose instead you had simply purchased 515,000 of stock with no margin. What would your rate of return have been now? (Negative amounts should be indicated by a minus sign. Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places. Omit the "%" sign in your response.) Rate of return % Without margin, rate of return %