Figure 310 Alt Text for Figure 3

Multiple Choice

Figure 3.10 Alt text for Figure 3.10: In figure 3.10, a graph plotting intersecting supply and demand curves illustrates how supply and demand function in competitive markets.
Long description for Figure 3.10: The x-axis is labelled, Quantity, with the values 0, 200, 400, 500, 600, 700 and 800 marked.The y-axis is labelled, Price, with the values 0, 10.00, 15.00, 20.00 and 25.00 dollars marked.Supply Curve S is a straight line which slopes up from the bottom left corner to the top right corner.4 points are plotted along the curve; (200, 10) , (400, 15) , (600, 20) , and (800, 25) .Demand curve D is a straight line which slopes down from the top left corner to the bottom right corner.Curve D intersects the S curve at (600, 20) , and passes through another point, (800, 10) .All plotted points are connected to the corresponding values on the x and y-axis with dotted lines.
-Refer to Figure 3.10.At a price of $25, how many units will be sold?

A) 400
B) 500
C) 600
D) 800