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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%.

According to management education expert ashok rao, companies can increase their profitability by through careful inventory management. a. 5% to 10% b. 10% to 25% c. 20% to 50% d. 75%

Barney corporation recognized a $100 million preferred stock balance on 12/31/2019. on january 1, 2020, barney issued $10 million in preferred dividends. on the same date, barney raised an additional $20 million via a new issuance of preferred stock. on december 31, 2020, the market value of the original amount of preferred shares rose $5 million. under us gaap, the 12/31/2020 year ending preferred stock balance is: