A grocery store is attempting to implement a kanban system, which of the following would not be an application of kanbans?

A) A line of five people in the Chinese department, signaling the department to heat five orders of crab Rangoon

B) an empty donut tray, singling the bakery to produce two dozen glazed donuts.

C) The meat department stocking up on turkeys before Thanksgiving,

D) a red light on top of the cashiers lean signals, that the cashier needs additional change replenished,

E) all of the above or kanban applications