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 3 unit of component Y. Component T is made from 1 unit of component V and 2 units of component Z.

Using the given information and the beginning inventories 70 units of component T and 190 units of component R, calculate the minimum replenishment time for the 70 Q Models.

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

The cumulative lead time is enter the cumulative lead time in weeks weeks.