QUESTION 7 Over the past 3 years an investment returned 0.16, -0.1, and 0.07. What is the variance of returns? QUESTION 8 A positive value for PVGO suggests that the firm has: O a positive plowback ratio. O a high rate of constant growth. a positive return on equity. investment opportunities with superior returns. QUESTION 9 What would be the price of a stock that pays an annual fixed dividend of $1.5 for ten years, and then the dividend payment increases by 1% every year, and the required rate of return is 5% annually?