Please solve using excel, can't figure out part b

20/hr 14/hr 10/hr 2 8 30/hr 33/hr 4 9/hr 13/hr 10/hr The diagram describes a service process where customers go through either of two parallel three-step processes and then merge in a single line for two final steps. Capacities of each step are shown on the diagram. a. What is the current capacity of the entire system? Answer is complete and correct. Current capacity 19 units per hour b. If you could increase the capacity of only one operation through process improvement efforts, which operation would you select, how much additional capacity would you strive for, and what would the resulting capacity of the process be? % Answer is complete but not entirely correct. Operation to improve How much additional capacity to strive for 2X units per 5 hour units per 24 hour Resulting capacity of the process