The ledger of J. White contains the following balances for the year ended 31 December 2021: Inventory: 31 December 2020 Returns inwards Returns outwards Purchases Carriage inwards Sales Instructions (a) (b) 20,000 14,400 22,600 320,000 The business uses the periodic inventory system. Inventory at 31 December 2021 was 48,600. 2,800 444,000 Prepare journal entries at 31 December 2021. Draw up the trading account section of the statement of profit or loss of J. White for that year.