8. A $1,000 investment was purchased one year ago and its value declines to $800 today. Over the holding period, $200 of income was generated. Calculate the income yield, capital gain yield, and the investment total rate of return. 9. Last t year, an investor purchased some shares for $7,500. Today they are worth $11,250. Over the holding period, the shares paid dividends totaling to $150. Calculate the income yield, capital gain yield, and the investment total rate of return.