How would you graphically represent a supply curve using the supply schedule: \$2 - 20 units, \$4 - 40 units, \$6 - 60 units?

• A. Plot the price on the x-axis and quantity on the y-axis, then connect the points to form an upward-sloping line.
• B. Plot the price on the y-axis and quantity on the x-axis, then connect the points to form a downward-sloping line.
• C. Plot the price on the x-axis and quantity on the y-axis, then connect the points to form a downward-sloping line.
• D. Plot the price on the y-axis and quantity on the x-axis, then connect the points to form an upward-sloping line.

Answer: (D)