What is the percentage of income received by the upper two quintiles on line K?

The most volatile component of total investment spending is ________

A) construction spending by firms B) spending by firms on equipment C) residential construction by households D) inventory investment

Economics is the study of:

a. the allocation of scarce resources and the ways in which human decision makers utilize those resources. b. the methods that human decision makers use to transform a scarce good into a non-economic good. c. how to operate a business successfully. d. a utopian society. e. how to make money in the stock market.