Problem $9-20($Algo$)$

The MRP gross requirements for Item A are shown here for the next $10$ weeks. Lead time for $A$ is three weeks and setup costis $$12.$ There is a carrying cost of $$0\mathrm{.}015$ per unit per week. Beginning inventory is $80$ units.

$\backslash$table$[[,$WEEK$],[,1,2,3,4,5,6,7,8,9,10],[$Gross requirements,$25,45,10,20,70,70,20,50,195,70]]$

Use the least total cost and the least unit cost lot$-$sizing methods to determine the quantity to order with the first order released with each method and which periods' requirements will be covered by that order.

$\backslash$table$[[,$Quantity Ordered,Periods Covered$],[$Least total cost,$10,4$ to $8],[$Least unit cost,$10,4$ to $9]]$