Over the years, o'brien corporation's stockholders have provided $20,000,000 of capital, when they purchased new issues of stock and allowed management to retain some of the firm's earnings. the firm now has 1,000,000 shares of common stock outstanding, and it sells at a price of $32.00 per share. how much value has o'brien's management added to stockholder wealth over the years, i. e., what is o'brien's mva? a. $15,000,000 b. $9,000,000 c. $14,400,000 d. $13,200,000 e. $12,000,000

Stocks a, b, and c are similar in some respects: each has an expected return of 10% and a standard deviation of 25%. stocks a and b have returns that are independent of one another; i.e., their correlation coefficient, r, equals zero. stocks a and c have returns that are negatively correlated with one another; i.e., r is less than 0. portfolio ab is a portfolio with half of its money invested in stock a and half in stock b. portfolio ac is a portfolio with half of its money invested in stock a and half invested in stock c. which of the following statements is correct? a. portfolio ab has a standard deviation that is greater than 25%.b. portfolio ac has an expected return that is less than 10%.c. portfolio ac has a standard deviation that is less than 25%.d. portfolio ab has a standard deviation that is equal to 25%.e. portfolio ac has an expected return that is greater than 25%.