Post a photo that demonstrates an example of price discrimination in real life.

Provide any necessary context and explain how the photo documents the occurrence of price discrimination. In addition, explain the following:

The photo illustrates price discrimination in airlines. The airlines charge different prices to different consumers depending on the different price elasticity of demand. There are three classes like economy, business or first class. The airlines charge cheaper prices to the consumers who are travelling in economy class, then the consumers who are paying higher prices in business class and in first class. Each class has different demand as the consumers are separated by a determined by the consumer's demand.