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Notes to the Group financial statements

5 Finance costs and income

	2009 £m	2008 £m
Interest payable on short term loans and bank overdrafts	(3)	(1)
Interest payable on bonds	(45)	(53)
Interest capitalised	4	8
Total interest payable	(44)	(46)
Fair value movement of derivative instruments	(8)	(7)
Other finance costs	(8)	(7)
Finance costs	(60)	(60)
Bank interest received	17	28
Amortisation of bonds	8	8
Other finance income	2	7
Pension liability interest cost	(113)	(99)
Expected return on pension assets	130	116
Net pension interest income	17	17
Finance income	44	60
Net finance cost	(16)	–

Interest is capitalised at the bank overdraft rate incurred before taxation which varies in line with the prevailing base rate. Taxation relief is obtained on interest paid and this reduces the tax charge for the period.