Robertson Inc. prepares its financial statements according to International Financial Reporting Standards (IFRS). At the end of its 2021 fiscal year, the company chooses to revalue its equipment. The equipment cost $540,000, had accumulated depreciation of $240,000 at the end of the year after recording annual depreciation, and had a fair value of $330,000. After the revaluation, the accumulated depreciation account will have a balance of:

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%.