pls

Illustration 81. Following information is available for the year ended 31st March, 2015. Calculate Gross Profit Ratio: (in Hundreds) Cash Sales * 25,000 Decrease in Inventory 10,000 Purchases: Cash 15,000 Returns Outward 2,000 Credit * 60,000 Wages 5,000 2,000 Ratio of Cash Sales and Credit Sales 1:3 Carriage Inwards Salaries * 25,000