When a Consumer Is Purchasing the Best Combination of Two

Multiple Choice

When a consumer is purchasing the best combination of two goods, X and Y, subject to a budget constraint, we say that the consumer is at an optimal choice point. A graph of an optimal choice point shows that it occurs

A) along the highest attainable indifference curve.
B) where the indifference curve is tangent to the budget constraint.
C) where the marginal utility per dollar spent is the same for both X and Y.
D) All of the above are correct.