Hi-Ho Yo Case
Hi-Ho Yo Inc. customizes logos for you yo's. Orders in are increasing, resulting in rising volume for the plant and production staff. We must evaluate several rules that will help us determine which method is best for inventory schedules. Job sequencing and inventory turns are an important part of any organizational success plan. Job processing and due dates affect all aspects of the organization: Production, Sales, Customer Service, Billing, etc. Controlling time management for production, reducing inefficiencies whenever possible, all stakeholders will benefit. The original print order list:
PAD PRINTING ORDER LIST
Job
Date Order Received
Set-up Time
Production Time
Due Date
A
6/4
hrs.
days
July
B
6/7
hrs.
days
July
C
6/12
hrs.
days
July
D
6/14
hrs.
days
July
E
6/15
hrs.
days
July
FCFS Method -- The First come first serve method puts orders into the queue based on data of original order. The weakness in this method is that longer jobs slow the process and mixed types of orders are inefficient because of set-up times. This method is not recommended due to job idle time, delays, and inefficiencies:
Job
Processing
Time
Flow Time
Due Date
Tardy
A
6 days
6
7-11
B
2 days
8
07-08
C
8 days
This method will identify the lost-time between jobs and choose and complete job with shortest processing time first, managing time more effectively. This method would meet due deadlines.
Job
Processing
Time
Flow Time
Due Date
Tardy
B
2 days
2
07-08
0
D
3 days
5
07-19
0
A
6 days
11
07-11
0
C
8 days
19
07-25
0
E
9 days
28
07-26
2
28
65
2
Measurements of effectiveness for above method:
AVT (Average Flow Time)
65/5
13 days
AT (Average Tardiness)
2/5
0.4 days
Makespan
28 days
ANJ (Average Number Jobs)
65/28
2.32 days
EDD Method -- Addresses due…
