To find the fees you will need to pay, you can check the order form in the web terminal. When you open the order form, you can view the cost of a deal based on the order volume and price. Clicking on the "i" icon will open an information window displaying calculated parameters, which may include applied markup and daily interest. These parameters are calculated at the moment a new order window is opened and are provided for informational purposes only. 

To check fees for open trades, go to the Positions/Portfolio section. For web terminal, you should see the Interest and Commission columns where the fees amount will be displayed for each trade. You may need to enable the Interest/Commission column display in the settings. 

For the mobile app, click on the specific position to see more details about it, including all the fees. To view details of past trades, check History section.