48 1216 20 Wage rate ($ per hour) 24 68 1012 Quantity of labor services (thousands of hours per week) D $6.00 6 Wage $6.00: employers demand 6,000 hours of labor services a week. The height of D is the value of what the marginal hour adds —hire while that value covers the wage.

Drag the point along D (or focus it and use the arrow keys; Home/End jump to the ends). It pauses at three marked wages.