____ is a term often used in conjunction with the ____ power exercised by leaders such as John F. Kennedy and Martin Luther King, Jr.

A) Charisma; referent
B) Functional authority; reward
C) Assertiveness; legitimate
D) Authority; expert
E) Ingratiation; social

A graph that shows the maximum combinations of two goods which a consumer can purchase with a given money income is

A) the production possibilities curve.
B) an indifference curve.
C) a demand curve.
D) a budget line.