1. set up for stamping operation requried a time consuming fixture installation and testing that took 4 hours each time a different part was to be produced typically 12 houes production was made for inventory of given stamping before the machine was stoped to permit setup for a new part after careful process analysis fixture and transfer method were revised to permit setup in 15 min discuss the implications for the change on A. optimum batch size B . order frequency c . machine labour productivity

2. A machine took sales person offers that plant of question 11-2 equipment that would increase their fixed cost by $180000 but reduce their variable cost from $40.00 to $25.00 should the plant accept the suggestion if they can sell their entire plant capacity of 10.000 units per year at $100 each ? illustrate by modifying break even chart of question 11-2