Use the Following to Answer Questions

Multiple Choice

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

A) utility is higher at point A than 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.