In this application, six calculations:1. Price calculation: this section is intended for calculating the retail (selling) price. The retail price is calculated according to the formula: "Cost" + "Margin" (as a percentage).2. Calculation of the cost price: in this section you can calculate the cost price (purchase price) of the product, if you know the retail price and what was the mark-up on the product (as a percentage).3. Calculation of discounts: in this section, you can calculate the price at a discount on your product. As well as the size of the discount.4. Payroll calculation: in this section you will be able to calculate your seller’s salary, in calculating the standard parameters for most stores, such as salary and percentage of revenue.5. Calculation of net revenue: in this section, you can calculate the net revenue of your business.6. Calculation of cost: in this section, you can calculate the cost of goods. Summing up all the ingredients and costs.