At 9,000 drect labor hours, the flexible budget for indirect materials is $27,000. If $28,000 of indirect materials costs are incurred at 9,200 direct labor hours, the flexible budget report should show the following difference for indirect materials:___________. 1. $1,000 favorable. 2. $400 unfavorable.3. $400 favorable 4. $1,000 unfavorable.