To determine the Gross Profit Ratio, calculate Gross Profit first using the formula: \[\text{Gross Profit} = \text{Revenue from operations} - \text{Cost of Goods Sold (COGS)}\] COGS is computed as: \[\text{COGS} = \text{Purchases} + \text{Carriage inwards} + \text{Decrease in inventory} - \text{Returns outwards}\] Using the given values: \[\text{COGS} = 3,00,000 + 60,000 + 40,000 - 20,000 = 3,80,000\] Subsequently, Gross Profit is: \[\text{Gross Profit} = 10,00,000 - 3,80,000 = 6,20,000\] The Gross Profit Ratio is then calculated as: \[\text{Gross Profit Ratio} = \frac{\text{Gross Profit}}{\text{Revenue from operations}} \times 100 = \frac{6,20,000}{10,00,000} \times 100 = 62\%\] Therefore, the Gross Profit Ratio is 62%.