Consider the System Composed of Four Processes Linked by a Conveyor

Multiple Choice

Consider the system composed of four processes linked by a conveyor belt. There is no storage between these processes pictured below and market demand exceeds the company's ability to produce. Which statement is best?

A) The overall system output is 220 units/hr.
B) The overall system output is 70 units/hr.
C) The overall system output is 40 units/hr.
D) The overall system output is 55 units/hr.