Please answer C so i could provide the question for D.

The three-station work cell illustrated in the figure below has a product that must go through one of the two machines at station 1 (they are parallel) before proceeding to station 2 Capacity: 20 units/hr Station 1 Machine A Station 2 Station 3 Station 1 Machine Bl Capacity: 20 units/hr Capacity: 5 units/hr Capacity: 4 units/hr a) The bottleneck time of the system is 15 minutes per unit (enter your response as a whole number). b) Station 3 is the bottleneck station. c) The throughput time is minutes (enter your response as a whole number)