Suppose That the Inverse Demand for Bean Sprouts Is Given

Suppose that the inverse demand for bean sprouts is given by P(Y) = 750 - 2Y and the total cost of producing Y units for any firm is TC(Y) = 30Y. If the industry consists of two Cournot duopolists, then in equilibrium each firm's production is

A) 60 units.
B) 120 units.
C) 180 units.
D) 90 units.
E) 93.75 units.