I just need help with steps 2 and 3!

Place on tray 3. Presto Frozen Pizza Company has determined that it needs an assembly line capable of producing 60 pizzas per hour. The following information is given for the company and its process Task Description Predecessor Task Time A Roll out dough None 50 B 5 Spread tomato sauce B 25 D Spread cheese C 15 E Add Meat #1 D 12 F Add Meat #2 D 10 G Add onions D 15 H E,F,G 18 I Pack in box H 15 Total Time 165 Shrink wrap Step 1. Identify tasks, task times and precedence relationships (given above). Draw the precedence relationship chart. Step 2. Determine the potential output rate per hour (day). Step 3. Determine the takt time and max. bottleneck output. Step 4. Compute the theoretical minimum number of work stations. Step 5. Assign tasks to the work stations (balance the line) Step 6. Compute efficiency and balance delay. Work Station Eligible Tasks Task Selected Time Idle