The quantity of a product that is demanded is 5,000 units when the price is $250.When the price is $225, the demand is 8,000 units.The manufacturer will not market the product if the price is below $100.For each price increase of $60, the manufacturer will market an additional 2,500 units of the product.Find the equilibrium quantity.

b)9,528

c)19,681

d)5,928

e)6,915

f)None of the above