Calculate operting profit ratio in each of the following alternative cases:
Case 1: revenue from operations(net sales)Rs 100000, operating profit Rs 150000.
case 2: revenue form operations (net sales )Rs 600000, operating cost Rs 510000
case 3: revenue form operations (net sales) Rs 360000, gross profit 20% on sales, operating expenses Rs 18000
case 4: revenue form operation (net sales )Rs 450000, cost of revenue form operationsRs 360000 operting expenses Rs 22500
case 5: cost of goods sold i.e cost of revenue from operations rs 800000, gross profit 20% on sled operating expenses Rs 5000.