FINANCE-Millbridge Memorial Hospital provides comprehensive physical exams

Question
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 an exam are private pay. They must pay the full charge. Seventy percent of the patients are covered by an insurance company that has an agreement with the hospital that reduces the charge by 20%. The hospital has $210,000 in fixed costs per year. How many exams must the hospital provide in order to break even?