A Muther's Grid ______

A Muther's grid ______.

A) is a visual representation of relationship rating in which symbols or letters represent the relationships between departments
B) helps us to assign production tasks in such a way that the time required to complete them is approximately equal across workstations
C) shows the relationship between two or more tasks that requires certain tasks to be done before others
D) identities the time requirements for a line of production to produce one unit