Rescheduling could be ruled out because:
A. The supply has already been tied up to another demand on a previous date
B. The rescheduling is so minimal that the user has defined it as negligible
C. The supply is linked directly to some other demand
D. Both a and b
Answer:D
Rescheduling could be ruled out because:
A. The supply has already been tied up to another demand on a previous date B. The rescheduling is so minimal that the user has defined it as negligible C. The supply is linked directly to some other demand D. Both a and b