How do I find total costs?

Prompt: Express the top line (green) as a y=mx+b formula, when the quantity is 1,400 units. (Submit and explain your "text" entry.) Copyright o Meiww.Hal Education Parmincion required for reproduction or display Relation of Total Fixed Costs Monthly and Total Variable Costs to Volume Capacity $80,000 70,000 Total Costs 60,000 50,000 Fixed Costs = $32,000 40,000 Cost 30,000 20,000 Variable Costs $20 per Unit 10,000 0 0 200 400 600 800 1,000 1,200 1,400 1,600 1,800 2,000 Volume (Units) The formula for a line is often expressed as "y-mx+b" b is the y interceptor (Fixed Costs) mis the slope or (Variable cost per unit) x is the quantity y is the $ amount