Collegiate Rings produces class rings. Its best-selling model has a direct materials standard of 10 grams of a special alloy per ring. This special alloy has a standard cost of $64.40 per gram. In the past month, the company purchased 10,400 grams of this alloy at a total cost of $665,600. A total of 10,100 grams were used last month to produce 1,000 rings Required: 1. What is the actual cost per gram of the special alloy that Collegiate Rings purchased last month? 2. What is the direct material price variance? 3. What is the direct material quantity variance? 4. How might the direct material price variance for the company last month be causing the direct material quantity variance