a firm's resource input, total output of labor, and product price schedules are given in the table. if labor is the only variable input, how much labor should the firm employ if the wage rate is $15 per day?
Units of resourceTotal output per day Price of good
2 10 $10
3 14 $9
4 19 $8
5 23 $7
6 27 $6
7 31 $5