In 2007, Joe Gebbia and Brian Chesky realized they could not afford the rent on their pricey San Francisco apartment, so they decided to put an air mattress in their living room and offer people an alternative to an expensive hotel room. This is the story of how Airbnb got started. In other words, Airbnb began when Gebbia and Chesky ; the company grew because it .

c. Identified a problem or frustration; identified an opportunity or need

Explanation:

Airbnb began when the founders Joe Gebbia and Brian Chesky realized that they could not afford the rent on their San Francisco apartment. This was a problem for them and they needed to solve it. Another problem they realized was that people were having to pay for expensive hotel rooms. The common denominator here being that both places were pricey.

They then identified the opportunity or need that people needed to afford their rent and visitors needed to afford places to stay temporarily and then acted on this opportunity by putting an air mattress in their living room and offering people an alternative to an expensive hotel room.

a. $48.75

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