What Does a Just-In-Time Production System Attempt to Accomplish

What does a just-in-time production system attempt to accomplish?

A) Materials and parts needed at each production step are brought together at the right time
B) Attempts to control the overall production process
C) Shows when production must be completed to satisfy consumer demand just-in-time
D) Shows the critical path where production problems will be the most damaging to the schedule
E) Breaks down the production process into steps necessary for completion