The Valenti Company uses flexible budgeting for cost control. Valenti produced 10,700 units of product during October, incurring indirect material costs of $13,300. Valenti's master budget reflected indirect material costs of $187,200 at a production volume of 144,000 units. What was the indirect material cost variance for October? $1,300 favorable $1,300 unfavorable $2,300 favorable D) $610 favorable