The following relations describes the monthly demand and supply relations for a company:
Supply curve: Q = - 42,000,000 + 2,000P
Demand curve: Q = 20,500,000 - 500P
Where Q is quantity measured by the number of items dry cleaned per month and P is average price in dollars.
a) At what average price level would demand equal zero?
b) At what average price level would supply equal zero?
c) Calculate the equilibrium price/output combination?