The Landrum Company provides the following standard cost data per unit of product: Variable Overhead $8.00 Landrum anticipated that they would produce and sell 24,000 units. During the period, the company produced and sold 25,000 units incurring $210,000 of variable overhead costs. The variable overhead flexible budget variance was: $8,000 unfavorable. $10,000 unfavorable. $8,000 favorable. $10,000 favorable.