Market research has revealed the given information about the market for chocolatebars:

• demand is represented by the equation Q_d = 18 - 2P, where Q_d is quantity demanded and P is the price, and
• supply is represented by the equation Q_s = 3 + P, where Q_s is the quantity supplied.

Manipulate the demand and supply curves on the graph to draw these equations, and move point E to representequilibrium.