Gamma Galleries, an art dealership specializing in contemporary artwork, recently collaborated with an international artist to host a high-profile exhibition showcasing their latest creations. As part of the agreement, Gamma Galleries provided funding for the event and facilitated sales of the artworks on behalf of the artist. Explain how the economic entity principle influences the recognition, valuation, and disclosure of assets, liabilities, and equity related to the exhibition, including considerations for revenue recognition, inventory valuation, and financial disclosures, while ensuring transparency and accountability.