How do you find the fixed costs for each scenario? Please use formula to show answer

Scenario Unit Price Fixed Costs Unit Sales 85,000 Unit Variable Cost $460 Base $1,440 $3,900,000 Best 97,750 1,656 391 3,315,000 Worst 72,250 1,224 529 4,485,000 Scenario Unit Price Fixed Costs Unit Sales 85,000 Unit Variable Cost $460 Base $1,440 $3,900,000 Best 97,750 1,656 391 3,315,000 Worst 72,250 1,224 529 4,485,000