Retail % funktioniert nicht

Use the yellow part of the App diese App, enter the purchase price, the discounts you can get, the selling price and press the tick: in a while you will know exactly the gain obtained both as margin and as markup.  Would you like to determine the margin or the markup that you want to achieve from the sale of a product?  Would you like to know the profit margin and the markup of the products you deal?  Well then use the green part of the App diese App.  Tap the arrow and move the screen, enter the purchase price to be discounted, the selling price and margin / markup you want to get, press the tick and you're done!