The diagram below shows a firm operating under conditions of monopolistic competition in the long run.

Which of the following statements is correct?
The firm is productively efficient because the tangency point TTT is located at the minimum point of its Average Cost (ACACAC) curve.
The firm is allocatively efficient because it is producing at the output level Q1Q_1Q1 where Price equals Marginal Cost.
The firm makes only normal profit because at the profit-maximising output Q1Q_1Q1, Average Revenue is equal to Average Cost (P1P_1P1).
At the profit-maximising output Q1Q_1Q1, the firm is operating in the price-inelastic range of its demand curve.