Kelly's marginal utilities for magazines and packages of gummy bears are listed in the table above. What is the extra utility received by Kelly when she decides to consume 3 packages of gummy bears instead of 2 packages?
A) 20
B) 160
C) 180
D) 540
Question 2
The demand for food in poor countries is
A) inelastic and more inelastic than in rich countries.
B) inelastic but more elastic than in rich countries.
C) elastic but less elastic than in rich countries.
D) elastic and more elastic than in rich countries.