Styles Paragraph 1. (8 points Ravena Labs., Inc. makes a single product which has the following standards: Direct materials. 2.5 ounces at $22 per ounce Direct labor.. ........ 1.75 hours at $12.50 per hour 3,750 units of compound were produced during the month. There was no beginning direct materials inventory. The ending direct materials inventory was 1,000 ounces. Direct materials purchased: 12,000 ounces for $225,000. Direct labor hours worked: 5,650 hours at a cost of $67,200. A. The direct materials price variance for October is: B.The direct materials quantity variance for October is: C. The direct labor rate variance for October is: D. The direct labor efficiency variance for October is