Wills Welded Widgets (WWW) makes its Q Model from components R, S, and T. Component R is made from 3 units of component X and 2 unit of component Y. Component T is made from 1 unit of component V and 3 units of component Z.

Using the given information and the beginning inventories 120 units of component T and 450 units of component R, calculate the minimum replenishment time for the 120 Q Models.

Item	Usage per Parent	Lead Time (weeks)
Q	1	4
R	4	6
S	2	5
T	1	4
X	3	4
Y	2	5
V	1	5
Z	3	6

The cumulative lead time is enter the cumulative lead time in weeks___________