Refer to the figure below to answer the following questions. 
Figure 7.1.2
The figure shows the market for helicopters in Canada,where D is the domestic demand curve and S is the domestic supply curve.The world price is $36 million per helicopter.
-In Figure 7.1.2,with international trade,Canadian firms buy ________ helicopters per year.
Definitions:
Centralist Theory
A political ideology or approach suggesting that political power or decision-making should be concentrated in a central authority or government.
Brain Death
The brain is totally and irreversibly dead. This is sometimes referred to as the Harvard definition of death.
Life Force
An energy or vital spirit believed to be responsible for the life, vitality, and functioning of living beings.
Religious Commitments
The dedication or obligation individuals feel towards their religious beliefs and practices.
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