If a firm wanted to know how much it would save by producing one less unit of output, it would look to:

Answer and Explanation:

In the case when the firm wanted to know that how much it would be saved by generating one less unit so it would look to the marginal production cost. It represents the cost included in the last unit generated. By looking into marginal cost it could price that how much the cost would be saved when there is a one less unit generated

Therefore the same is to be considered

answer; /// i believe the correct answer is (all of the above);