Monopoly a The monopolist is the supply-side of the market and has complete control over the amount offered for sale Profits will be maximized at the level of output where marginal revenue equals marginal cost Chapter 10 Slide 7Chapter 10 Slide 7 Monopoly ◼ The monopolist is the supply-side of the market and has complete control over the amount offered for sale. ◼ Profits will be maximized at the level of output where marginal revenue equals marginal cost