Chapter 11 Cost-Volume-Profit Analysis E11-7 High-low method Liberty Inc. has decided to use the high-low method to estimate costs. The data for various levels of production are as follows: Units Produced Total Costs 100,000 180,000 300,000 $1,800,000 2.800,000 4,300,000 a. Determine the variable cost per unit and the fixed cost. b. Based on part (a), estimate the total cost for 260,000 units of production