Can anyone help please?

Stanford Rosenberg Computing wants to establish an assembly line for producing a new product, the Personal Digital Assistant (PDA). The tasks, took times, and immediate predecessors for the tasks are as follows: Time Task (sec) Immediate Predecessor A 3 D E 12 14 7 5 20 A B, C Rosenberg's goal is to produce 175 PDAs per hour. a) The cycle time for the production of a PDA - seconds (round your response to two decimal places). b) The theoretical minimum number of workstations that Rosenberg can achieve in this assembly line - (round your response up to the next whole number), c) For one to assign the tasks to the actual workstations and be able to use the theoretical minimum" number, the activity assignment should be Workstation 8 Tasks Assigned to Workstation 1 2 Were you able to assign all the tasks to the theoretical minimum number of workstations? Enter your answer in each of the answer boxes