What correctly describes the order in which algorithms, if plugged in, are executed when a bill changes from the "Pending" state to the "Complete" state?
A. Service Agreement Type – Pre-Bill Completion; Service Agreement Type – Bill Completion; Customer Class – Pre-Bill Completion; Customer Class – Bill Completion; Customer Class – Post-Bill Completion
B. Customer Class – Pre-Bill Completion; Customer Class – Bill Completion; Service Agreement Type – Pre-Bill Completion; Service Agreement Type – Post-Bill Completion
C. Customer Class – Pre-Bill Completion; Service Agreement Type – Pre-Bill Completion; Customer Class – Bill Completion; Service Agreement Type – Bill Completion; Customer Class – Post-Bill Completion
D. Service Agreement Type – Pre-Bill Completion; Customer Class – Pre-Bill Completion; Service Agreement Type – Bill Completion; Customer Class – Bill Completion; Customer Class – Post-Bill Completion
E. Service Agreement Type – Pre-Bill Completion; Customer Class – Pre-Bill Completion; Service Agreement Type – Bill Completion; Customer Class – Bill Completion; Service Agreement Type – Post-Bill Completion; Customer Class -Post-Bill Completion