SAN FRANCISCO--(BUSINESS WIRE)--Xero (@Xero) today announced the expansion of its payroll support for U.S.-based businesses, and more powerful inventory management tools. Building on Xero’s simple-to-use cloud accounting solution, these new robust payroll features and enhanced inventory tracking make it easier than ever for entrepreneurs to focus on increasing profits and ensuring the success of their business. Built in the cloud, Xero has already released 946 customer facing product updates in