Anna ruins a shop that sells printers. Ama is a perfed compostor and can sell each printer for a price of $300, The marginal can't of selling one printer a day is $200, the marginal cost of selling a second printer is $300, and the margind cost of selling a third printer is 1350, To manman her profil, Anna should set Select one: O a two printers a day O b, one printer a day O c three printers a day O'd more than three printers a day