Evaluate the Truthfulness of the Following Statements

Multiple Choice

Evaluate the truthfulness of the following statements.
I. All points to the interior of the budget constraint are affordable.
II) All points that lie on the budget constraint cost the same amount of money.

A) Both I and II are true.
B) Both I and II are false.
C) I is true; II is false.
D) I is false; II is true.