Refer to Figure 4.2. The marginal rate of substitution for economics books with CDs is highest at point:

A tax hike ________ aggregate demand and ________ aggregate supply

A) increases; increases B) increases; decreases C) decreases; increases D) decreases; decreases E) does not change;increases

Crops produced entirely for the market are known as

(a) basic crops. (b) mixed crops. (c) hybrid crops. (d) cash crops.