If you enter the purchase cost, shipping costs, shop fees, and desired profit margin You can easily calculate the selling price of the product and your profit. Please use it in various situations such as online shop management and wholesale sales. If the selling price and profit can be "visualized", sales will grow at a reasonable price. In the future, we plan to add a menu that can calculate the profit margin from the purchase cost and product selling price. Please use it because it is a simp