A manufacturer of thermostats uses a Kanban system to control
the flow of materials. The packaging center processes 10
thermostats an hour and receives completed thermostats every 30
minutes. Containers hold 5 thermostats each.
(a) How many Kanban are needed for the packing center?
(b) If management decides to keep two thermostats as safety
stock, how many Kanban will be needed?