Stanford Rosenberg Computing wants to establish an assembly line for producing a new$$ product, the Personal Digital Assistant$($PDA$).$ The$$ tasks, task$$ times, and immediate predecessors for the tasks are as$$ follows: $$b$)$ The theoretical minimum number of workstations that Rosenberg can achieve in this assembly lineequals$=$enter your response here $($round your response up to the next whole$$ number$).$r$.$

Part $2$

$$a$)$ The cycle time for the production of a PDA$=$ enter your response here seconds $($round your response to two decimal$$ places$).$