The Output is 100 units
The formula for calculating average total cost is:
(Total fixed costs + total variable costs) / number of units produced = average total cost.
(Total fixed costs + total variable costs)
New cost - old cost = change in cost.
New quantity - old quantity = change in quantity.
The average total costs include both fixed and variable costs.
Fixed costs are expenses that are necessary for production but which don't change based on the number of products the company is producing.
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