Matinna Co. maintains no inventories and has the following data pertaining to one of its direct materials in July: Standard quantity of direct materials for the units manufactured (SQ) Direct materials purchases-actual cost 31, 200 $97,000 $ 3.00 $ 5,700 Standard price per unit of direct materials (SP) Direct material efficiency variance-favorable All materials purchased during the month were issued to production. What was the company's direct materials flexible-budget (FB) variance for July (rounded to the nearest dollar)? O O O O O $2,300 favorable. $3,400 unfavorable. $3,400 favorable. $9,100 unfavorable. $9,100 favorable.