please show all work so i can understand thanks

1. The Quality Management Department is asked to balance a revised assembly line that will turn out 320 videotapes per day. There will be eight working hours in each day. The detailed information is given in the table below: Task Time (minutes) Immediate Predecessor A 0.8 B 0.4 0.5 A, E D 0.6 E 1.4 F 0.6 B G 0.5 DF H 0.3 G Please finish the following: (a) Draw the precedence diagram. 6) Determine the minimum cycle time, the maximum cycle time, and the calculated cycle time. What is the minimum number of stations needed? (d) Assign tasks to workstations based on the basis of most following tasks. Use the longest processing time as a tiebreaker. Compute the efficiency of the system. 2. A service garage uses 3600 boxes of deaning doths a year. Ordering cost is $80 and holding cost is $1.6 on an annual basis. Please compute the following tasks using EOQ model. (a) The economic order quantity based on EOQ model? (b) The total cost of ordering and carrying? (Suppose the current order size is 500. What additional annual cost is the company incurring by staying with the order size 500