a) What do ypu understand by production Planning and Control Function. Briefly mention the objective of PPC.
b) There are 8 job in an auxiliary unit requiring processing on machine A and machine B in that order. Time required on each machine by each job in hour is as under:-
JOBS
Machine A 4 2 5 7 4 9 7 3
Machine B 6 3 8 4 3 5 6 6
Determine
(i) the optimal sequence plan
(ii) Total make span time