The Echo Company developed the following standards for the manufacture of its product: - Each unit should be produced with 2 pounds of direct materials at a cost of $6 per pound. - Each unit should be produced in 2.5 hours at a direct labor cost of $12 per hour. Actual production was 3,200 units and required 16,000 pounds of direct materials at a total cost of $102,000 as well as 18,000 direct labor hours at a total cost of $189,000. For a manufacturing variance, what was the total budget variance for direct materials? Use a positive number to indicate a favorable variance or a negative number to indicate an unfavorable variance