solve for part c

A production process at Kenneth Day Manutacturng is shown in the figure below. The driling operation occurs separately from, and simultarnoctly with, the sawing and sanding, which arm independent sequential operations. A product needs to go through only one of the three assembly operations (the operations are in paralile. a) is the bottieneck. b) The bottieneck uime is 30 minutes per unit (round your response to two decimal places). c) The throughput time of the overall system is minutes (round your response to two decimal places)