This document discusses balance sheets and GST (goods and services tax) reporting for a trading business. It includes sample questions and explanations. Question 1 provides examples of GST collected from customers, GST paid to suppliers, and the resulting GST refund or liability. Question 2 explains how a GST liability meets the definition of a liability on a balance sheet. Question 3 discusses why GST paid on purchases is not an expense. Question 4 addresses how GST would be classified on a balance sheet as either a current asset or liability.