In the current year, borden corporation had sales of $2,190,000 and cost of goods sold of $1,295,000. borden expects returns in the following year to equal 6% of sales. the unadjusted balance in inventory returns estimated is a debit of $25,000, and the unadjusted balance in sales refund payable is a credit of $29,000. the adjusting entry or entries to record the expected sales returns is (are):

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%.