Labor	Output	Price (D1)	Price (D2)
0	0	$10.00	$10.00
1	16	10.00	9.50
2	31	10.00	9.00
3	45	10.00	8.50
4	58	10.00	7.50
5	69	10.00	6.50
6	78	10.00	5.50

Assume that the labor market is perfectly competitive. Supposethe firm’s product demand is given by the column labeledD₁. If the wage rate is $125, the firm will achievemaximum profit by hiring _____ workers.

3

5

4

6