engineer$-$to$-$order and so the company never knows exactly what components to purchase for a tool until a customer places an order. However, the company believes that weekly demand for a few components is fairly stable. Component

$135.$AG is one such item. The last $26$ weeks of historical use of component

$135.$AG is recorded below.

$\backslash$table$[[\backslash$table$[[$Week$],[1]],\backslash$table$[[$Demand$],[137]],$Week,Demand$],[2,136,15,131],[3,143,16,132],[4,136,17,121],[5,141,18,127],[6,128,19,118],[7,149,20,120],[8,136,21,115],[9,134,22,106],[10,142,23,120],[11,125,24,113],[12,134,25,121]]$