When making the output decision to maximize profit, a manager should ignore all fixed co because

fixed costs do not need to be paid and are therefore irrelevant for computing profit.

fixed costs do not vary with the level of output and thus have no impact on total cost.

fixed costs are irrelevant for decision making purposes, and also fixed costs do not vary with the le of output and thus have no impact on total cost.

fixed costs are irrelevant for decision making purposes.