Acme Companys production budget for August is 17,600 units and includes the following component unit costs: direct materials, $7.70; direct labor, $10.10; variable overhead, $6.20. Budgeted fixed overhead is $33,000. Actual production in August was 18,810 units. Actual unit component costs incurred during August include direct materials, $8.50; direct labor, $9.10; variable overhead, $6.90. Actual fixed overhead was $34,600. The standard direct material cost per unit consists of 11 pounds of raw material at $0.7 per pound. During August, 319,770 pounds of raw material were used that were purchased at $0.50 per pound. Required: Calculate the materials price variance and materials usage variance for August