Refer to the information provided in Figure 7.11 below to answer the question(s) that follow.  Figure 7.11 
Refer to Figure 7.11. The slope of the isocost line is

The "currency" of the IMF is the

A) International Currency Unit. B) Special Drawing Right. C) U.S. dollar. D) IMF Dollar.

Marginal utility theory predicts that if a consumer's income decreases, the consumer

A) buys fewer normal goods. B) buys fewer inferior goods. C) buys more of all goods. D) might either increase or decrease purchases of normal goods.