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Create demand and supply tables

Suppose the demand and supply for milk is described by the following equations: QD =  600 - 100P; 

QS = - 150 + 150P, where P is price in dollars, QD is quantity demanded in millions of litres per year, and QS is quantity supplied in millions of litres per year.

a. Create demand and supply tables corresponding to these equations.

b. Graph supply and demand and determine equilibrium price and quantity.

c. Confirm your answer to (b) by solving the equations mathematically.

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