Purchase Agreement dated as of August 18, 2021, by and between CFG Merchant Solutions, LLC, a Delaware limited liability company, as the buyer, and MCA Naples, LLC, as Seller and the personal guaranty of performance of the obligations thereunder dated as of August 18, 2021 by Christen Hemmens and the Additional Seller Addendum thereto, and the Consent and Reaffirmation of the Guarantor thereto