Suppose the total demand for wheat and the total supply of wheat per month in the Winnipeg grain market are as shown in the table below. Thousands of bushels Thousands of bushels demanded Price per bushel ($) supplied 85 3.40 72 80 3.70 73 75 4.00 75 - 70 4.30 77 65 4. 60 79 60 4.90 81 Suppose that the government establishes a price ceiling of $3.70 for wheat. a. Why might the government establish this price ceiling? As a form of trade barrier As income support for farmers To encourage production To control food prices