Suppose you purchase 1,050 shares of stock at $76 per share with an initial cash investment of $30,000. The call money rate is 5 percent and you are charged a 1.5 percent premium over this rate. a. Calculate your return on investment one year later if the share price is $84. Suppose instead you had simply purchased $30,000 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 % b. Calculate your return on investment one year later if the share price is $76. Suppose instead you had simply purchased $30,000 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 % c. Calculate your return on investment one year later if the share price is $60. Suppose instead you had simply purchased $30,000 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 %