The figure above shows the demand for fruit snacks. Which movement reflects an increase in the price of a complement for fruit snacks?

According to the marginal productivity theory of income

A) the income received by an individual who supplies labor services equals the incremental benefit generated to the firm by that individual's labor. B) the average income received by an individual who supplies resources is influenced by the resources owner's marginal productivity. C) the greater the quantity of resources owned by an individual, the greater his incentive to increase productivity and his income. D) the income received by an individual who supplies labor services equals the profit generated to the firm by that individual's labor.

In the IS-LM model, the implicit assumption made about aggregate supply was that the

a. aggregate supply schedule was vertical because prices were flexible. b. aggregate supply schedule was horizontal because prices were fixed. c. aggregate supply schedule was upward sloping to the right because wages and prices were fixed. d. supply of output was fixed. e. none of the above.