Hyrdo Billboard Company entered into an angreement to display billboard advertising for Adele Incorporated for $10$ months for a $$64,000$ fixe fee. The agreement also includes a potential $$6,500$ bonus based on certiain goals. Sellet estimates it is $60\%$ likely to receive the entire bonus and $40\%$ likely to receive none of the bonus. What approach should Hydro use to estimate variable consideration? What is the estomate of the consideration amount in this contract?