Hall Company sells merchandise with a one-year warranty. In the current year, sales consisted of 4,500 units. It is estimated that warranty repairs will average $10 per unit sold, and 30% of the repairs will be made in the current year and 70% in the next year. In the current year's income statement, Hall should show warranty expense of:

a. $13,500

b. $31,500

c. $0

d. $45,000

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%.

On april 1, the cash account balance was $46,220. during april, cash receipts totaled $248,600 and the april 30 balance was $56,770. determine the cash payments made during april.

The wall street journal reported that over a recent five-month period, a downturn in the economy has caused endowments to decline 23%. what is the estimate of the dollar amount of the decline in the total endowments held by these 10 universities (to the nearest billion)?