East Cost Burger serves customers with three resources: Cooking, Packaging and Collecting Payment . Assume there exists unlimited demand, and that all activities are always performed in the following sequence. Cooking has a processing time of 6 minutes per customer. Packaging has a processing time of 3 minutes per customer. Collecting Payment has a processing time of 5 minutes per customer. All three resources are staffed by one worker and each worker gets paid $14 per hour. What is the direct labor cost? A. $4.20 B. $3.00 C. $1.68 D. $5.79