Identify the correct $($true$)$ statement from the following:

Question $1$Select one:

a$.$

Kanbans are typically used as the signaling mechanism in pull systems of production.

b$.$

A pull system of production sends material downstream before it is needed.

c$.$

Excess inventory accumulates from small$-$lot production.

d$.$

A push system of production awaits the receipt of a kanban before sending material downstream.

e$.$

SMED is an acronym which refers to $$mistake proofing$$ or $$error proofing.$$