MRP gross requirements for an item A are shown below for next 10 weeks. Lead time is three weeks and the ordering cost is $10 dollars. There is a holding cost of $0.01 dollars per unit per week. In addition, there is an initial inventory of 70 units. Week 1 2 3 4 5 6 7 8 9 10 Demand 22 34 32 12 8 44 54 16 76 30 Determine when and what quantities should be ordered and the total cost by using the Least Unit Cost Model.