Delicious Food Products is famous for its trail mix. The main ingredient of the trail mix is dried fruit, which Delicious purchases by the pound. In addition, the production requires a certain amount of direct labor. Delicious uses a standard cost system, and at the end of the first quarter, there was an unfavorable direct materials efficiency variance. Which of the following is a logical explanation for that variance? A. The production staff changed the work flow process so that production required fewer direct labor hours. B. The production manager negotiated a lower wage package for production staff, bringing direct labor costs down. C. The factory lost two experienced workers at the beginning of the quarter, and their replacements wasted a large amount of dried fruits during their training period D. The purchasing manager was able to secure a volume discount on than the amount set by standard. dried fruit, purchasing the fruit for less