Table $8.1$ A Toy Company Uses a Kanban System to Make a Make

Table $8.1$
A toy company uses a kanban system to make a metal fastener that is a component of several toys. The waiting time for a container of the fasteners during production is $0.25$ day; average processing time is $0.15$ day per container. Each container holds 200 fasteners. The company uses 2000 fasteners a day in the production of its product.
-Use the information in Table 8.1. Using an efficiency factor of 5 %, calculate the number of kanban containers needed for the fastener.

A) 3 or less
B) 4 or 5
C) 5 or 6
D) the next person or machine to use or further the current process 7 or more