Cox Engineering performs cement core tests in its laboratory. The following standards
have been set for each core test performed:
During March, the laboratory performed 2,000 core tests. On March 1 no direct materials (sand)
were on hand. Variable manufacturing overhead is assigned to core tests on the basis of
standard direct labor-hours. The following events occurred during March:
• 8,600 pounds of sand were purchased at a cost of $7,310.
• 7,200 pounds of sand were used for core tests.
• 840 actual direct labor-hours were worked at a cost of $8,610.
• Actual variable manufacturing overhead incurred was $3,200.
52. The materials price variance for March is: