For taco sandwich production, Worker A would in charge of obtaining orders. After customer’s payment, Worker C and D would heat the corn tortillas in the microwave, fill the tortillas with customer required filling and wrap it. Then, Worker B would deliver it to customers. For juice production, Worker A would in charge of obtaining orders. After customer’s payment, Worker B would blend the vegetables and fruit and fill the cup. Then, seal the cup and deliver to customers. The bottleneck of taco sandwich and juice production are “Heat the corn tortillas in the microwave, fill and wrap station” and “Blend the vegetables and fruit, fill, steal and deliver station” respectively. The daily capacity for taco sandwich and juice production are 260