8.1 The company shall tally the amount of the monthly result-based advertisement fees to be determined under article 7, the monthly system usage fee and the option usage fee as of every 20th of the month. The company shall issue the invoice within the said month. The payment shall be made within the following month calculated from the closing date. The Advertiser shall pay the invoiced amount by wired transfer to a bank account designated by the company on or before the deadline separately provided in the application form, etc. It is agreed that any remittance charges shall be borne by the advertiser.