Answer the following questions using the information below: Lukehart Industries, Inc., produces air purifiers. Lukehart, Inc., produces the air purifiers in batches. To manufacture a batch of the purifiers, Lukehart, Inc., must set up the machines and assembly line tooling. Setup costs are batch-level costs because they are associated with batches rather than individual units of products. A separate Setup Department is responsible for setting up machines and tooling for different models of the air purifiers. Setup overhead costs consist of some costs that are variable and some costs that are fixed with respect to the number of setup-hours. The following information pertains to June 2011: Actual Units produced and sold Batch size (number of units per batch) Setup-hours per batch Variable overhead cost per setup-hour Total fixed setup overhead costs Budget Amounts 10,000 400 6. $50 Amounts 9,000 375 5.5 $52 $17,750 $18,000 Calculate the production-volume variance for fixed setup overhead costs. O $1,800 unfavorable $250 unfavorable $250 favorable O $1,800 favorable