Monopoly Profit, Dead weight loss and marginal cost pricing

Assuming a downward sloping linear demand curve and a constant Marginal cost of production, the dead weight loss due to monopoly pricing (as against the marginal cost pricing rule) is
is roughly equal to 1/3 rd of the monopoly profits
is equal to one fourth of monopoly profits
is equal to one half of the monopoly profits
equal to the profits of the monopolist

Видео Monopoly Profit, Dead weight loss and marginal cost pricing канала ECON MATHS