35 Minutes, 11 Seconds D Question 21 3.5 pts 10 MC 8 ATC Price and cost (dollars per grooming) 6 N MR D O 8 12 16 20 24 Quantity (groomings per day) Donna owns the only dog grooming salon on Lonely Island. The figure above shows the dog grooming market. Donna is a single-price monopoly that maximizes profit by charging $ per grooming and producing groomings per day. For the first answer, enter a value. Do not use the "$" sign