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This Profit Margin Calculator is a simple and effective tool to calculate profit, profit margin percentage, and markup percentage based on cost price and selling price. By entering just two values, you can quickly see how much profit you are making and what percentage of your selling price is actual profit. The calculator also shows the markup percentage, which helps you understand how much higher your selling price is compared to the cost price. This tool is ideal for business owners, sellers, and entrepreneurs who want to track profitability and make smarter pricing decisions.