# Calculating average, marginal and variable costs

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Use the total cost (TC) schedule presented in the table below to calculate the average total cost, average variable cost, average fixed cost, and marginal cost when output (Q) is equal to 5.

Q 0 1 2 3 4 5 6 7 8 9

TC 5 7 8 10 14 20 28 38 50 72

Average total cost =

Average fixed cost =

Average variable cost =

Marginal cost =

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average total cost = total cost/quantity = 20/5 = ...

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The expert calculates average, marginal and variable costs.

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