Comprehensive Assurance and Systems Tool (CAST) provides an integrated learning opportunity that encompasses financial statement assurance and accounting information systems.CAST uniquely exposes students to these issues at The Winery at Chateau Americana, a hypothetical company that is based on an actual domestic winery.Unlike traditional projects and assignments that may offer little or no context, students develop a rich knowledge and understanding of Chateau Americana and its industry as they provide assurance on the company's financial statements and address a variety of challenging accounting information systems issues.