Use the indifference curves and the budget lines in Figure 19.3 to answer the indicated question. Assume the price of Y is $1 per unit. If the price per unit of good X is $1, the consumer would maximize utility by consuming

Question

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At a price of $1 per unit of X, the budget line intersects the highest attainable indifference curve at point D, where the consumer consumes 15 units of Y and 15 units of X. At any other point on this budget line, the consumer can either afford to consume more of both goods or could afford to consume more of Y at the same level of X. Therefore, point D is the optimal choice for the consumer at this price level.

Use the Indifference Curves and the Budget Lines in Figure