55. Finance costs


 for the 3 months ended
 31 December 2016 unaudited31 December 2015 unaudited
Interest expense on loans and borrowings97.364.7
Interest expense on issued bonds28.098.0
Foreign exchange differences on issued bonds-81.7
Valuation and realization of hedging instruments1.72.1
Valuation and realization of derivatives not used in hedge accounting – relating to interest(8.7)17.8