If the marginal product of labor exceeds that cost of hiring an additional worker, the firm should ________

The marginal propensity to consume is:

A. the change in consumer spending minus the change in aggregate disposable income. B. the change in consumer spending divided by the change in aggregate disposable income. C. the proportion of total disposable income that the average family consumes. D. increasing if the marginal propensity to save is increasing.

As job opportunities for women and the wages those jobs pay have increased, the opportunity cost of doing housework has ________, so many families have chosen to hire specialists in households chores, such as cleaning services and lawn care services

, because the cost of these specialists is ________ than the cost of the wife (or husband) performing those chores. A) decreased; lower B) increased; higher C) decreased; higher D) increased; lower