Which of the following statements about a cost-volume-profit graph is true?

a. Operating profits will be earned when sales levels are to the left of the break-even point.
b. The break-even point is the intersection point of the total sales and fixed cost lines.
c. Operating losses will be incurred when sales levels are to the left of the break-even point.
d. Operating profits will be earned when sales levels are on the break-even point.