Let L denote the number of workers. The marginal product of labor is MP = 30 - L, and the wage for each worker is $10. The firm chooses to hire 2 workers. This implies that:

A. The price of output is $1 per unit or less.

B. The price of output is between $1 per unit and $2 per unit.

C. The price of output is between $2 per unit and $3 per unit.

D. The price of output is between $3 per unit and $4 per unit.

E. The price of output is between $4 per unit and $5 per unit.

F. The price of output is between $5 per unit and $10 per unit.

G. None of the above are true.