I need to complete discussion bellow:

Instruction:

One of the reasons why the short-run aggregate supply curve is upward sloping is because prices are sticky. One of the best examples of sticky prices is Coke. Listen to (or read the transcript) of thePlanet Money's Episode 416podcast (The link is bellow) to learn more about this example.

https://www.npr.org/transcripts/456410327

Discuss what kept the price of Coke so steady over such a long period of time. What are other examples of prices that are sticky? What causes these prices to be sticky?