Joes Twenty-four Seven Laundromat has the following jobs waiting to be processed. The first step of the

Joe’s Twenty-four Seven Laundromat has the following jobs waiting to be processed. The first step of the process includes washing and drying the clothes; the second step is pressing the clothing. Joe wants to minimize the amount of time it takes to do all the jobs. The five jobs waiting to be processed are shown here.

(a) Using FCFS, assume the jobs arrive in the order shown (A, then B, then C, etc.). Show the beginning and ending time for each job.
(b) Calculate the makespan, the mean job flow time, and the average number of jobs in thesystem.

Transcribed Image Text:

Wash and Press Job Dry (hours) (hours) 2