Changes in the price level affect which components of aggregate demand?

In the Keynesian cross diagram, an increase in investment spending because companies become more optimistic about investment profitability causes the aggregate demand function to shift ________ and the equilibrium level of aggregate output to

________, everything else held constant. A) up; rise B) up; fall C) down; rise D) down; fall

The consumer price index for the current year measures the cost of a standard basket in the ________ year relative to the cost of the same basket in the ________ year.

A. current; current B. base; current C. base; index D. current; base