At your teacher's mypage, you can find "MONTHLY INVOICE" page. You can see the breakdown of commission at anytime. Payment for each month should be made between 1st and 10th of the next month by PayPal or bank transfer. If you are going to pay by PayPal, there is a link to proceed with the payment on the "MONTHLY INVOICE" page. If you are going to pay by bank transfer, you can find the account information on "MONTHLY INOVICE" page.