.. Millbridge Memorial Hospital provides comprehensive physical exams. The charge per exam is $100, while the variable cost per exam is $65. Thirty percent of the patients who come in for exams are private pay. They must pay the full charge. Seventy percent of the patients are covered by an insur- ance company that has an agreement with the hospital that reduces the charge by 20 percent. The hospital has $210,000 in fixed costs per year. How many exams must the hospital provide in order to break even