An Ice cream shop in Queens offers a wide selection of ice cream and frozen yogurt. It has three employees. Assuming that there is unlimited demand. Employee #1 has a processing time of 6 minutes per unit. Employee #2 has a processing time of 4 minutes per unit. Employee #3 has a processing time of 7 minutes per unit. What is the utilization of Employee #2? A. 28.6% B. 57.1% C. 33.3% D. 15.4%