Answer :
A firm should go out of business in the long run when its price level is less than the average total cost.
When should a firm go out of business in the long run?
The long run is a period where all factors of production are varied. It is known as the planning time of a firm. In the long run, if the if the average total cost is greater than the price, the firm should exit the market.
To learn more about when a firm should exit the market, please check: https://brainly.com/question/13034691
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