The Opening Stock of goods is the stock of goods in hand at the start of an accounting year. It may contain stock of raw material, work-in-progress and finished goods. It appears in the debit column of the trial balance. Inside the Trading Account this is the initial entry on the debit side. The valuation is generally done at cost or market price that ever is lower. The Stock of goods in hand on the end of accounting year is termed as Closing Stock. Likewise, closing stock may contain stock of raw material, work in progress and finished goods. The closing stock is demonstrated on the credit side of the Trading Account. Closing stock is generally not specified in the trial balance but is specified by way of additional information.