5. In the general model of quantity competition there are i = 1, 2, ..., n firms producing a homogenous good at the same marginal cost (c), and fixed costs are F = 0. Market demand is p(Q) = a - bQ, where p is price, Q = _q; is the total quantity of output produced and sold by all firms in the market, qi is the quantity of output for firm i, b > 0, and 0 Q' a -c b (n +1) n