Sales - Units: Plan = 5,000; Actual 6,500 units Sales - Total: Plan = $70,000 Direct material: Plan = $22,500 ALL other variable expenses (Labor + Overhead): Resource units per finished unit = 0.25 hours TOTAL Contribution margin: Flexible = $27,300 For the Other Variable Expenses, compute the cost per hour. O $4.20 per hour O $4.50 per hour O $5.30 per hour O $6.10 per hour O None of the other answers are correct