$16.$ What priority rule is being used when jobs are processed according to the lowest ratio of due date

to remaining processing time?

a$.$ CR $($critical ratio$)$

b$.$ EDD $($earliest due date first$)$

c$.$ FCFS $($first come, first served$)$

d$.$ S$/$O $($least slack per operation first$)$

$17.$ Moving from the aggregate plan to a master production schedule requires

a$.$ rough cut capacity planning

b$.$ sub$-$optimization

c$.$ disaggregation

d$.$ strategy formulation