Figure 5-11 -Refer to Figure 5-11.If Price Increases from $10 to $20,total

Multiple Choice

Figure 5-11
-Refer to Figure 5-11.If price increases from $10 to $20,total revenue will

A) increase by $120,so demand must be inelastic in this price range.
B) increase by $320,so demand must be inelastic in this price range.
C) decrease by $120,so demand must be elastic in this price range.
D) decrease by $320,so demand must be elastic in this price range.