(i) cost of revenue from operations(cost of goods sold) Rs 220000, revenue from operations (net sales) Rs 320000, selling expenses rs 12000, office expenses Rs 8000, depreciation Rs 6000 calculate operating ratio.
(ii) Revenue from opertions cash sales Rs 400000, credit sales rs 100000, gross profit Rs 100000 office and selling expenses Rs 50000 calculate operating ratio.