27. Finance costs


  2013 2012 2011
Interest expense of defined benefit plans 769 946 1,025
Interest expense on bank and corporate loans, bonds, promissory notes and vendor financing 14,845 14,766 12,842
Interest expense on finance lease liabilities 48 371 566
Borrowing servicing expense  138 195 139
Total finance costs 15,800  16,278 14,572