Break-even equation. Fill in the blank. Instead of the information in problem 7 Ambulatory Care Center's data looked like this: 8. Price per Variable Cost Number Contribution Fixed Visit Net of Visits Margin Costs Income per Visit $65,000 350,000 $135,000 4,500 $120 $110 565 $45 $75 75,000 $110,000 $90,000 120,000 5,300 $135 3,800