21. Prepaid aircraft acquisitions in the balance sheet is for the purchase of four Boeing 787 Dreamliner aircrafts to be delivered in the year 2010 and 2012. The Company has capitalised borrowing cost amounting to ISK 30 million related to these prepayments based on the average interest rate which was 6.3% at year-end. The Company also has an option to purchase three additional 787 Dreamliner aircrafts with delivery after the year 2012.