Assuming the properties of normal indifference curves, a consumer will maximize his utility where his indifference curve is just tangent to his budget constraint.

Indifference Curves

A graph showing different bundles of goods between which a consumer is indifferent, illustrating preferences and trade-offs.

Budget Constraint

The constraint on the collection of goods or services a consumer is able to purchase, determined by their income and the cost of those goods or services.

Utility

A measure of satisfaction or happiness that consumers derive from consuming goods and services.