Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions:
Figure: Indifference Curve Map I
-(Figure: Indifference Curve Map I) Look at the figure Indifference Curve Map I. It shows that:

A) at point A utility is higher than it is at point B.
B) utility is diminishing on I₁, constant on I₂, and increasing on I₃.
C) utility is higher at point D than at point A.
D) the marginal utility of e-books is positive, while the marginal utility of cell phone apps is negative.