Dear Engineering Students,
Please follow the given link which covers all the 5 Units:
https://www.youtube.com/watch?v=wW3BfdZD4n4&list=PLLhSIFfDZcUUIkQTwI-EBQ63aiHNStrN_&index=2

Break Even Analysis - Good Quality Video In Depth
https://www.youtube.com/watch?v=ydUfHWBwLm0&list=PLLhSIFfDZcUV-c7tEcs2SDsalpKr52859

If BRS is in your syllabus, please follow this link:
https://www.youtube.com/watch?v=qeHc8w23Kl4&list=PLLhSIFfDZcUXUEk7lZ67AvM9MiRbyENbm