What is the video talking about (summarize it using your own words not less than 100 words).

Choose one of the following videos and answer the questions below

4.6 The Relationship Between Average Total Cost and Marginal Cost – YouTube

Episode 21: Accounting Costs vs. Economic Costs – YouTube

1. What is the video talking about (summarize it using your own words not less than 100 words). (1 mark)
2. Choose an economic term you have learned new in the video and what does it mean. (0.5 mark)
3. Create a question about the video and answer it. (0.5 mark)