Net Sales for the year ended 31st March, 2019 is Rs 9,00,000. If Gross Profit is 25% of Cost, find Gross Profit and Cost of Goods Sold

Net Sales for the year ended 31st March, 2019 is Rs 9,00,000. If Gross Profit is 30% on Sales, find Cost of Goods Sold

From the following statement of profit and loss for the year ended 31st March ,2019 of Reynolds Ltd. Calculate (i) Gross Profit Ratio,(ii) Operating Profit Ratio,(iii) Operating Ratio, ( iv) Expenses Ratio, (v) Net Profit Ratio.