Gantt charts have several major limitations to include:
A.	the need to be updated regularly to account for new job arrivals and revised time estimates.
B.	the inability to assess the relative work loads at each work center.
C.	the inability to serve as a foundation for the detailed scheduling function.
D.	the inability to signal the need for reallocation of labor and equipment to busier work centers.
Answer:A
Gantt charts have several major limitations to include:
A.	the need to be updated regularly to account for new job arrivals and revised time estimates. B.	the inability to assess the relative work loads at each work center. C.	the inability to serve as a foundation for the detailed scheduling function. D.	the inability to signal the need for reallocation of labor and equipment to busier work centers.