# Formulas for calculating a firm's costs

Output Short Run Average Variable Costs

5 340

10 300

15 280

20 300

25 380

30 580

If the firm has fixed costs of $900, calculate the short run average fixed costs, average total costs, total cost, and marginal cost.!

© BrainMass Inc. brainmass.com October 10, 2019, 5:03 am ad1c9bdddfhttps://brainmass.com/economics/pricing-output-decisions/formulas-for-calculating-a-firm-s-costs-490619

#### Solution Summary

This solution shows how to use Excel to calculate all of a firm's costs from minimal information. All the formulas used are given.

$2.19