If a cost-minimizing firm sells its services in an oligopolistic market, with a marginal product of capital of 10, a rental rate of capital of $5, and a wage rate of $20, what is the marginal product of labor? 1.4 2.20 3.40 4.60 5.80

If a cost-minimizing firm sells its services in an oligopolistic market, with a marginal product of capital of 10, a rental rate of capital of $5, and a wage rate of $20, what is the marginal product of labor?

1.4
2.20
3.40
4.60
5.80