Suppose you purchase 650 shares of stock at $50 per share with an initial cash investment of $16,250. 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 $58.

(b) Suppose instead you had purchased $16,250 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.)