Acompany uses the following standard costs to produce a single unit of output. direct materials 7 pounds at $0.60 per pound = $ 4.20 direct labor 0.2 hour at $8.00 per hour = $ 1.60 manufacturing overhead 0.2 hour at $3.90 per hour = $ 0.78 during the latest month, the company purchased and used 67,000 pounds of direct materials at a price of $.90 per pound to produce 10,000 units of output. direct labor costs for the month totaled $12,900 based on 1,720 direct labor hours worked. variable manufacturing overhead costs incurred totaled $3,800 and fixed manufacturing overhead incurred was $19,000. based on this information, the total direct materials cost variance for the month was