A Hinge Manufacturing Company Employs a Kanban System for a Component

A hinge manufacturing company employs a Kanban system for a component part. The daily demand is 900 hinges. Each container has a waiting time of 0.05 days and a processing time of 0.37 days. The container size is 60 hinges, and the safety factor (α) is 10 percent. Given this data, the number of Kanbans necessary for the system is:

A) less than 4 Kanbans.
B) more than 4 but less than or equal to 8 Kanbans.
C) more than 8 but less than or equal to 12 Kanbans.
D) more than 12 but less than or equal to 16 Kanbans.