Alternate Text: A monopoly graph with downward-sloping D and MR lines, U-shaped MC and ATC with minimum ATC at $6. MR = MC = 5 when output is 6 units, D at $10. D intersects with MC at $8 and 8 units. D also has $12 when the output is 3 units; and $5 when the output is 12 units. The above graph represents the demand, cost, and marginal revenue curves of a monopoly. This monopolist will produce a quantity equal to: Group of answer choices 8 units 3 units 6 units 12 unit