If the marginal-revenue product of the sixth worker is $2 and the marginal cost of the sixth worker is $4, then

Question 14 options:

this sixth worker should be laid off.

more workers should be employed.

this sixth worker should be employed, but no more workers should be employed.

the firm is earning a profit from this sixth worker equal to $2.

more workers should be employed because the firm is earning a profit from this last worker employed.