Based on the data in the above table, the table shows a market for a good with

Economic theory assumes people

A) rarely act generously. B) consistently act selfishly. C) make choices based on a comparison of cost and benefits. D) are fundamentally complex. Therefore, no general theory can be deduced to make sense out of the decisions and choices people make.

If the quantity desired of something exceeds the amount available at zero price, that item is called

A) capital. B) an economic good. C) an intangible good. D) a bad.