Table 18-3 -Refer to Table 18-3.This Table Describes the Number of Baseballs

Table 18-3

-Refer to Table 18-3.This table describes the number of baseballs a manufacturer can produce per day with different quantities of labor.Each baseball sells for $2.50 in a competitive market and the firm pays each unit of labor a wage equal to $225 per day.How many units of labor should the firm hire to maximize profit?

A) 2 units
B) 3 units
C) 4 units
D) 5 units