Investment and Returns Calculator Please add your current revenue and profit margin, then add Brick services, the tool gives a typical example of The Brick Factory investment and increase in profits. 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