Problem $16-11$ Given the operation times provided: JOB TIMES $($minutes$)$ B C D E $1643603530511228$ A $2027$ Center i Center $2$ F $4224$ a$.$ Develop a job sequence that minimizes idle time at the two work centers. The sequence is B$-$A$-$C$-$E$-$F$-$D $.$ b$.$ Determine idle time of center $2,$ assuming no other activities are involved. Idle time $39$ minutes