Two Workers, a and B, Perform Sequential Tasks on a Balanced

Multiple Choice

Two workers, A and B, perform sequential tasks on a balanced line producing wooden bookcases. Worker B applies a spray coating of paint primer to shelves that Worker A has sanded. Worker A can only sand one shelf at a time while Worker B is able to apply the spray primer to four shelves simultaneously. In order to keep the line balanced:

A) Output of Worker A will need to be stored in four-piece kanbans.
B) Output of Worker B will need to be stored in four-piece kanbans.
C) Worker B will necessarily experience idle capacity.
D) Worker A will be required to produce a large batch of in-process inventory.