This document contains a sales register from January 1, 2016 to December 31, 2016. It lists sales transactions at different cash registers, including product names, quantities sold, prices, totals, and taxes. Several transactions involved sales of Coca-Cola, Ajax cleaner, shampoo brands like Elvive and Head & Shoulders, and Dixan detergent. The document filters the data to check for returns related to invoices from the previous year. Total sales amounts are provided for each cash register.