Use the following to answer questions:
Figure: The Domestic Market for Digital Cameras 
-(Figure: Domestic Market for Digital Cameras) Look at the figure The Domestic Market for Digital Cameras. Assume that PA is the autarky price and PW is the world price. Consumer surplus after international trade is equal to the area:
Definitions:
Return on Total Assets
A profitability ratio that measures the net income produced by total assets during a period by comparing net income to the average total assets.
Performance
Refers to the act of carrying out or accomplishing an action, task, or function.
Profit Margin
A financial metric that calculates the percentage of profit derived from revenue after all expenses are subtracted.
Total Asset Turnover
An indicator of how efficiently a firm employs its assets to yield sales revenue.
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