The given information states:Sales: D195,000Purchases: D160,000Returns outwards: D880Carriage inwards: D740Returns inwards: D620To calculate the cost of goods sold, we need to subtract the returns inwards and carriage inwards from the purchases:Cost of Goods Sold = Purchases - Returns Inwards - Carriage InwardsCost of Goods Sold = D160,000 - D620 - D740Cost of Goods Sold = D158,640Gross Profit = Net Sales - Cost of Goods SoldGross Profit = D195,000 - D158,640Gross Profit = D36,360