Question
Sanjay's Truck Shop is under contract to repair and rebuild large truck trailers to transportation (trucking) companies such as Fedex, UPS, Manitoulin Transport, and McKevitt.
Sanjay's Truck Shop is under contract to repair and rebuild large truck trailers to transportation (trucking) companies such as Fedex, UPS, Manitoulin Transport, and McKevitt. Sanjay currently has five jobs to be scheduled, shown in the order in which they arrived.
| Job | Processing Time (days) | Due (days) |
| A | 8 | 20 |
| B | 10 | 18 |
| C | 5 | 25 |
| D | 11 | 17 |
| E | 9 | 35 |
- Complete the following table. (Show your supporting calculations below).
| Dispatching Rule | Job Sequence | Average Flow Time | Average Number of Jobs | Average Lateness |
| SPT | ||||
| EDD | ||||
| CR |
Shortest Processing Time Rule
|
SPT | Processing Time | Due Date | Flow Time | Lateness |
| Total | ||||
| Average |
Earliest Due Date Rule
|
EDD | Processing Time | Due Date | Flow Time | Lateness |
| Total | ||||
| Average |
Critical Ratio Computation
| Job | Processing Time | Due Date | CR | Priority Order | |
Critical Ratio Rule
| CR | Processing Time | Due Date | CR | Flow Time | Lateness |
| Total | 150 | ||||
| Average |
- Which dispatching rule has the best score for flow time?
- Which dispatching rule has the best score for work-in-process (jobs in the system)?
- Which dispatching rule has the best score for lateness?
- What dispatching rule would you select? Support your decision.
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started
Fundamentals of Management
Authors: Robbins, DeCenzo, Coulter
7th Edition
132996855, 0-13-610982-9 , 9780132996853, 978-0-13-61098, 978-0136109822
