Concept:Gross profit is the difference between sales revenue and the cost of goods sold.Explanation:First, calculate the cost of goods sold (COGS) for BXY Enterprise.COGS = Opening Stock + Purchases − Closing StockCOGS = D6,000+D23,000−D8,000COGS = D21,000Next, deduct the COGS from total sales to determine gross profit.Gross Profit = Sales − COGSGross Profit = D30,000−D21,000Gross Profit = D9,000Salaries and wages of D12,000 are not included here because gross profit is calculated before operating expenses are deducted.Answer:The gross profit of BXY Enterprise is D9,000.Correct option: B. D9,000