Use the following figure to answer the questions : Figure 10-3 : shows the demand and supply for a commodity in the domestic U.S.market as well as the global market.The commodity is imported from the rest of the world to the U.S.market. 
-Refer to Figure 10-3.The total producer surplus prior to trade was _____.
Definitions:
Firm
An organization that produces goods or services for sale, operating with the aim of making a profit.
Variable Costs
Costs that change in proportion to the level of production or sales volume.
Profit-maximizing Output
The point of production where a company reaches its maximum profit potential.
Total Revenue
The overall amount of money generated by a firm from selling its goods or services.
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