Order the following steps that a perfectly competitive firm should take when experiencing economic losses to return to profitability: A) Adjust output to the level where marginal cost equals marginal revenue, B) Assess the average total cost to determine if it's above the market price, C) Consider exiting the market if losses persist in the long run, D) Analyze market conditions to forecast future demand changes.

When a perfectly competitive firm experiences economic losses, the first step is to assess the average total cost to see if it is above the market price. This helps the firm understand how much it is losing per unit sold. Next, the firm should adjust its output to the level where marginal cost equals marginal revenue, which is the most efficient production level. After making these adjustments, the firm should analyze market conditions to forecast any potential changes in demand that might improve profitability. If losses continue over time, the firm may need to consider exiting the market altogether.