If the line DE is drawn parallel to the base BC of a triangle ABC by intersecting the other two sides, then which of the following is the CORRECT equation for this case.
The market for sugar is in equilibrium. If the supply of sugar increases, the equilibrium price of sugar will ________ and the equilibrium quantity will _________.
If the ___________ firm has zero costs or only has fixed cost, the quantity supplied in equilibrium is given by the point where the marginal revenue is zero.