Investment and Returns Calculator Please add your own revenue and profit then add Brick services, the tool gives an example of your Internet Marketing investment. Current Sales Current Gross Margin % Current Overheads Gross Profit Pre Tax Profit Increase in Sales Expected Gross Margin % Additional Overhead Gross Profit Additional Pre Tax Profit Campaign Investment Calculation Results Total Sales Total Gross Profit Overheads New Pre Tax Profit Return on Investment Increase in Profit Auto-recalculate Contact us Add Brick services