What are the challenges confronting Service Operations?

Operations and Supply Chain Management Assignment

No Operations & Supply Chain Management course can be complete without at least a chapter devoted to Scheduling. There are many different possible objectives in constructing a schedule, including: meeting customer due dates, minimizing job lateness, minimizing response time, minimizing completion time, minimizing time in the system, minimizing overtime, maximizing machine or labor utilization,
minimizing idle time, and minimizing work-in-process inventory.
Kindly watch the following 20-minute video-clip below for an overview on the topic of Scheduling.
https://www.youtube.com/watch?v=8IZW9Zg40I0
After watching the above video-clip,describe what a Load Chart is.

According to the video-clip,how is Infinite Loading different from Finite Loading?

What are the challenges confronting Service Operations?

Itemize and Describe all of the ways introduced in the video-clip on how Service Operations are scheduled?