Time left $0$:$00$:$50$

a$.$ A bottling plant fills $3,960$ bottles every three hours $($or $22$ per minute$).$ The lead time is $50$ minutes, and a container accommodates $150$ bottles. The safety stock is $20$ percent of the expected demand.

How many kanban card sets are needed $($round up to the nearest kanban card$)?$

b$.$ Arrow Distributing Corp likes to track inventory by using weeks of supply as well as by inventory tumover. The following information is from its latest financial report:

$\backslash$table$[[$Net Revenue,$$40,000$