Refer to the figure below to answer the following questions. 
Figure 7.2.1
The figure shows the market for shirts in Canada,where D is the domestic demand curve and S is the domestic supply curve.The world price is $20 per shirt.
-In Figure 7.2.1,if the economy moves from no trade to international trade,producer surplus in Canada ________ by ________.
Definitions:
Rescission
Rescission is the legal act of canceling, terminating, or voiding a contract, thereby returning all parties involved to their pre-contractual positions.
Contractual Conditions
Essential terms in a contract that must be met for the contract to be fulfilled and are foundational to the agreement's integrity.
Implied by Law
Pertains to obligations or rights not explicitly stated but inferred by the legal principles and statutes governing the situation.
Consequential Damages
Indirect damages or losses that occur as a natural consequence of an action, usually beyond the immediate physical damage or loss.
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