Refer to Table 21.5:Table 21.5QTFCTVCTCAVCMC0  15--1  23  2    43 15   The marginal cost of the third unit of output in Table 21.5 is

Intended investment is

a. always greater at a national income of $800 billion than at a national income of $500 billion b. always smaller at a national income of $500 billion than at a national income of $800 billion c. directly proportional to consumption spending d. independent of the level of national income e. always equal to intended saving

A change in the quantity demanded of Real GDP is graphically represented as a

A) shift in the AD curve. B) movement from one point on the AD curve to another point on the same curve. C) movement from a point on the AD curve to a point on the SRAS curve. D) shift in the real balance effect curve. E) shift in the interest rate effect curve.