38. What is the yield on a real estate investment given the following information? Initial price paid = $260,000; Net rental income = $90,000; Final price sold = $290,000 39. You are asked to evaluate investing in a new business. You have gathered the following information: State of the Probability, Pi Return, economy Worst case 0.05 -2796 Poor 0.15 -12% Most likely 0.40 14% Good 0.25 26% Best case 0.15 42% What is the expected return on this investment? 40. You are asked to analyze the historical performance of a company's stock. You have gathered the following information: Year 2 3 4 Return, 7-8% 9% 14% -8% What is the sample standard deviation, o, of the return on this stock? 1