The following list of jobs in a critical department includes estimates of their required times: a. Use the shortest operation time rule to schedule these jobs. Whot is the mean flow time? (Round your answer to 3 decimal places. b. The boss does not like the schedule in a. Jobs E and G must be done first, for obvious reasons. (They are already late), Reschedule b. The boss does not like the schedule in a. Jobs E and G must be done first, for obvious reasons. (They are already late) Reschedule the jobs by assigning E and G first and second, respectively, and then assigning the remaining jobs using the shortest operation time rule. What is the new mean flow time? (Round your answer to 3 decimal places.)