Wilco Inc. compiles the following data for the month of December when they produced 10,000 units and sold 8,000 units: Sales Revenue Direct Materials Direct Labor Variable Manufacturing Overhead Fixed Manufacturing Overhead Non-Manufacturing Variable Costs Non-Manufacturing Fixed Costs What is Wilco's Variable Manufacturing Cost per Unit? $320,000 $80,000 $120,000 $40,000 $64,000 $16,000 $4,000 $36.40 $30 $24 Some other answer $8