An industry consists of 80 identical firms producing an homogeneous product. Each firm's total cost is: TC(q) = q2 + 25q + 225 . If the industry's demand function is at 325 - 0.050, find the industry's equilibrium quantity. (to the nearest whole number) (Hint: MC = 2q + 25) O a. 3429 units O b. 4000 units O c. 2400 units O d, 4800 units O e. 4615 units