The Landrum Company provides the following standard cost data per unit of product: Variable overhead $ 6 Landrum anticipated that they would produce and sell 25,800 units. During the period, the company produced and sold 26,800 units, incurring $167,700 of variable overhead costs. The variable overhead flexible budget variance was: Multiple Choice $6,900 favorable. $6,900 unfavorable. o $6,000 favorable. o o $6,000 unfavorable