Economics 22) If Pɛd = - 0.8, then in order to increase total profit (TR - TC), a firm should….

(a) increase price, so that TR increases and TC falls.
(b) decrease price, so that TR increases and TC increases.
(c) increase price, so that both TR and TC remain constant.
(d) decrease price, so that TR remains constant and TC falls.
(e) none of the above.