A small company manufactures a certain item and sells it online. The company has a business model where the cost C in dollars, to make x items is given the equations c=20/3x+50 and the revenue R, in dollars, made by selling x items is given by the equation R = 10x. The break-even point is the point where the cost and revenue equations intersect. How many items must the company sell to break even? How do you know?​