The table above shows three production methods to produce 100 automobiles per day. If the price of labor is $20 per unit and the price of capital is $100 per unit, which of the three methods is economically efficient?

_____________: Transactions of comparable properties may have taken place yesterday, last month, or even several years ago.

Fill in the blank(s) with the appropriate word(s).

Wage and price stickiness causes

A. changes in aggregate demand to have short-run effects on real Gross Domestic Product (GDP). B. changes in aggregate demand to have no short-run effects on real Gross Domestic Product (GDP). C. changes in aggregate demand to have long-run effects on real Gross Domestic Product (GDP). D. changes in aggregate demand to have both short-run and long-run effects on real Gross Domestic Product (GDP).