The following table contains quantities that are received as "forecasts" from aggregate planning, together with already booked customer orders, representing committed demand: At the beginning of week 1 , the inventory contains 150 units. (a) How could you determine capacity requirements in Master Production Scheduling? Discuss two approaches. (b) Compute a master production schedule for a lot-for-lot production (c) Compute a master production schedule for a production in batches of 300 units. A batch should be scheduled whenever the projected available balance would drop below zero otherwise. (d) For the two MPS records just established, compute ATP quantities for all time periods where MPS quantities occur. Note that ATP quantities are not allowed to be negative, hence leftover demand quantities have to be "borrowed" from earlier ATP entries