QUESTION 8 In the Stackelberg model, a. prices and quantities are lower than we would see if the firms colluded to achieve the monopoly outcome Ob. prices are higher and quantities are lower than we would see if the firms colluded to achieve the monopoly outcome C. prices and quantities are higher than we would see if the firms colluded to achieve the monopoly outcome d. prices are lower and quantities are higher than we would see if the firms colluded to achieve the monopoly outcome