If not recycled, an input used in production ultimately winds up as a waste product

In the classical model, desired saving

A) is inversely related to real income. B) exceeds investment. C) is equal to desired investment. D) is less than desired investment.

If business taxes are reduced and the real interest rate increases:

A. consumption and saving will necessarily increase. B. the level of investment spending might either increase or decrease. C. the level of investment spending will necessarily increase. D. the level of investment spending will necessarily decrease.