10.The price of Microsoft Stock is currently $100 per share. You forecast the following possible end of the period prices: Probability 15% 10% 30% 20% 25% 84 100 110 120 End of period price 70 Calculate the rate of return for each possible outcome and the expected return. Calculate the variance of end of period return, the coefficient of variation (CV) of return, and the semi-interquartile range.