a) What is meant by ‘Profitability’ of business?(b) From the following information calculate Operating Profit ratio:Opening Stock Rs 10,000; Purchases Rs 1,20,000; Revenue from operations Rs...

a) What is meant by ‘Profitability’ of business?(b) From the following information calculate Operating Profit ratio:Opening Stock Rs 10,000; Purchases Rs 1,20,000; Revenue from operations Rs 4,00,000;Purchase Returns Rs 5,000; Returns from Revenue from operations Rs 15,000; SellingExpenses Rs 70,000; Administrative Expenses Rs 40,000; Closing Stock Rs 60,000.