Part 2: Additional Practice- Assume instead that the costs of production changed for this monopoly so that the marginal cost (MC) and average total cost (ATC) for every unit was $6. $16 Price $14 $12 $10 $8 $6 MC = ATC $4 $2 D MR 0 2 4 6 8 10 12 Quantity @Copyright Jacob Clifford. Annual license required Do not use unless you have purchased a license