Which of the following shows the correct order of the commitment zones for a Scheduling Agreement:

Which of the following shows the correct order of the commitment zones for a Scheduling Agreement:
A . Firm Zone, Trade-Off Zone, Forecast/Planning Zone
B . Trade-Off Zone, Firm Zone, Forecast/Planning Zone
C . Firm Zone, Forecast/Planning Zone, Trade-Off Zone
D . Forecast/Planning Zone, Trade-Off Zone, Firm Zone

Answer: A