Baby Frames Inc. evaluates manufacturing overhead by using variance analysis. The following information applies to the month of May: Number of frames manufactured Variable overhead costs Fixed overhead costs Direct labor hours Actual Budgeted 19,000 20,000 $ 4,100 $ 2 per direct labor hour $22,000 $ 20,000 $1 per unit 2,100 hours 0.1 hour per frame What is the production volume variance? $1,000 favorable $1,000 unfavorable $2,000 favorable $2,000 unfavorable