9. One year ago, you purchased shares of PQR stock at a price of $50 per share. The stock now sells for $55 per share. In addition, the stock paid a dividend of $3 per share during the year. a) Find the stock's capital gains yield. b) Find the stock's dividend yield. c) Compute the total dollar return per share of stock d) Calculate the total percentage return for the investment in the stock, 10. The annual returns on the stock of a firm during the last five years are provided below. a) Find the holding period return of the stock over the five-year period. b) Compute the arithmetic average return of the stock over the five-year period. c) Calculate the geometric average return of the stock over the five-year period. d) Calculate the variance and standard deviation of the returns during this period. Use the arithmetic average return m (b) for your calculations in (d). Use at least 5 decimal places for the variance computation to avoid rounding errors