Concept:Return on capital employed (ROCE) measures how efficiently a business earns profit from its total capital invested.Explanation:Capital employed means the total long-term funds used in the business.It is calculated as total assets minus current liabilities.Capital employed =520,000−150,000=370,000ROCE is found by dividing net profit by capital employed and then multiplying by 100.ROCE =370,00060,000×100=16.2%Answer:B. 16.2%