According to psychologist __________, physiological needs must be met before higher-order needs are undertaken

A monopolistically competitive firm shuts down in the short run if ________

A) marginal revenue equals marginal cost B) total revenues do not cover variable costs C) marginal revenue covers average fixed costs D) average total cost exceeds price

Based on the figure below. Starting from long-run equilibrium at point C, a tax cut that increases aggregate demand from AD to AD1 will lead to a short-run equilibrium at point ________ and eventually to a long-run equilibrium at point ________, if left to self-correcting tendencies. 

A. D; C B. B; C C. B; A D. D; B