How does USDC make money?

Could you elaborate on how USDC generates revenue? I'm curious to understand the underlying mechanisms and business models that contribute to its profitability. It would be helpful if you could provide a detailed explanation of the various ways in which USDC earns money, while also highlighting any key differences or advantages it might have compared to other cryptocurrencies or financial instruments. Additionally, I'm interested in knowing if there are any risks or challenges associated with USDC's revenue generation strategies that investors should be aware of. Thank you for your insights.