Question 6: A company wants to develop an MRP for a single product that they have and they want to use part-period method to determine their lot sizes (planned order receipt). Assume the ordering cost is $160 and unit holding cost is $2 per period. In addition, the lead time is 1 period, and at the beginning, there are 20 units of inventory on hand. The gross requirements for this product are as follows: Product Periods 1 2 10 20 3 6 Gross Requirements 4 10 5 30 60 10 Develop the MRP plan for this product and report projected on-hand, net requirements, planned order receipts and planned order releases (no safety stock is required). Question 7: A production system uses kanban cards to control production and movement of parts. One work centre uses an average of 40 pieces per hour of a certain part. Standard containers hold 10 parts. The waiting time for parts containers is about 36 minutes. Management has assigned a safety factor of 20 to this work centre. How many containers should be used to support this operation