Please answer this exact question. The last expert created their own question to answer. Which did not help me at all. thanks

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: Rosenberg's goal is to produce 170 PDAs per hour. a) The cycle time for the production of a PDA = seconds (round your response to two decimal places)