please select the correct answer.

a, Take order

b, process order

c, deliver order

C&A Fast Food has three activities in serving a customer: take order, process order, and deliver order. Each activity is staffed by one employee. The Stage Capacity of each activity is listed below: Activity Take order Processing Time 20 orders/hour Process order 25 orders/hour Deliver order 40 orders/hour If one more employ is added to the current bottleneck and double the capacity of the current bottleneck, the bottleneck will switch to which activity? Take order Process order Delivery order