An investor bought 100 shares of Omega common stock for $14,000. They held the stock for 9 years. For the first 4 years they received annual end-of-year dividends of $800. For the next 4 years they received annual dividends of $400. They receive no dividend for the ninth year. At the end of the ninth year they sold their stock for $6000. 7 pts (a) Draw the cash flow diagram. 8 pts (b) What rate of return did they receive on the investment