summarizing the contents of the video. summarize only this video, no other sources.

The link is here www.youtube.com/watch?v=M-uGibLcQ-g

In posts might want to discuss.

How Overhead is applied in traditional systems?

What is ABC as used in Overhead cost calculations and applications?

Why do companies use ABC instead of Traditional systems?

How are over-applied and under-applied overhead handled?

Also, it will be good if you use examples.