A housecleaning company receives $25 for each house cleaned. The table below gives the relation between the number of workers and the number of houses that can be cleaned per week. Based on the above info, if the company want to maximize profit and hires three workers, the wage rate of a housecleaner can be no more than

The largest category of financial intermediary is the

A) commercial banks. B) savings-and-loans. C) insurance companies. D) mutual funds.

Which of the following represents total saving for an economy?

A) the sum of private saving and fixed investment B) the sum of private saving and consumption C) the sum of taxes and government spending D) the excess of taxes over government spending E) none of the above