{a} Is it possible to have diminishing marginal product and constant returns to scale at the same time? Explain why. {b} In a monopolistic competition, why does each rm try to represent its product as distinct From those offered by other rms in the industry? {c} Explain why a monopoly can be bad For society in relation to the deadweight loss due to the monopoly. {d} Explain why every marginal cost must intersect the corresponding average variable cost curve at the minimum point of the average variable cost curve