Which of the following best describes the approach to capacity planning in a lean production environment?

A$)$ It is not very important because product designs in a lean environment tend to be standardized

D$)$ It is very important because the equipment setup times in a lean environment tend to be much larger

C$)$ It is very important because the inventory in a lean production environment tends to be much less

B$)$ It is not very important because equipment and personnel in a lean environment tend to be very flexible