The welding department supplies parts to the final assembly line. Management decides to implement a kanban system and has collected the following data.

a.The daily demand is 1,700 units.
b.The production lead time is 2 days (this includes processing time, transport time, and waiting time).
c.Management has decided to have 2 day(s) of safety stock
d.One container fits 350 units

How many kanban containers will be needed to support this system?