You paid cash for $1,100 worth of stock a year ago. Today the portfolio is worth $1,396 a. What rate of return did you earn on the investment? (Negative value should be indicated by a minus sign. Round your answer to 2 decimal places Rate of return 26.91 % b Now suppose that you bought the same stock but bought iton margn. The inmal margin requirement was 65%. Recalculate your rate of runinningany rtnat Nogative value should be indicated by a minus sign. Round your answer to 2 decimal places.) Rate of return c. Recalculate the rates of return for a cash purchase in the event that the stock is worth $875 today, (Negative value should be indicated by a minus sign Round your 41.4 % answer to 2 decimal places) Rate of retun d. Recalcusste the rates of returm for a margin purchane in the event hat the stook is worth $875 today (Negative value shouid be indicated by a minus sign Rou your answer to 2 decimal places) Rate of retunm