Question

Sunny Park Tailors has been asked to make three different types of wedding suits for separate customers. The table below highlights the time taken in hours for cutting and sewing​ (process 1) and delivery​ (process 2) of each of the suits.

                                                                                  

Times Taken for Different Activities​ (hours)
Suit	Cut and Sew	Deliver
1	4	2
2	7	7
3	6	5

Assume that orders for suits have been listed in the above table in the order in which they were received.

a. Using the FCFS rule for​ scheduling, the sequence is: 1-2-3

b.  For the schedule developed using the FCFS​ rule, the total length of time taken to complete the three suits​ (including delivery)​ = ____hours ​(enter your response as a whole​ number).

c. Using​ Johnson's rule for​ 2-machine scheduling, the sequence is 1-3-2 OR 3-1-2 OR 2-3-1 OR 3-2-1 OR 1-2-3 OR 2-1-3?

d) For the schedule developed using the​ Johnson's rule, the total length of time taken to complete the three suits​ (including delivery)​ = _________hours​(enter your response as a whole​number)

e) Of the two developed​ schedules, Johnson's OR the FCFS rule gets the schedule finished sooner?

.

Answer 1