Suppose you purchase 1,500 shares of stock at $75 per share with an initial cash investment of $56,250. The call money rate is 5 percent and you are charged a 1.5 percent premium over this rate. Ignore dividends. a. Calculate your return on investment one year later if the share price is $83. Suppose instead you had purchased $56,250 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.) Rate of Return With margin Without margin b. Calculate your return on investment one year later if the share price is $75. Suppose instead you had purchased $56,250 of stock with no margin. What would your rate of return have been now? (A negative value should be indicated by a minus sign. Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.) Rate of Return % With margin Without margin c. Calculate your return on investment one year later if the share price is $59. Suppose instead you had purchased $56,250 of stock with no margin. What would your rate of return have been now? (A negative value should be indicated by a minus sign. Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.)