StockStock is valued at the lower of cost and net realisable value.CreditorsShort term trade creditors are measured at transaction price. Other financial liabilities, including bank loans, are measured initially at fair value, net of transaction costs, and are measured subsequently at amortised cost using the effective interest method.TaxationTaxation for the year comprises current and deferred tax. Tax is recognised in the Income Statement, except to the extent that it relates to items recognised in other comprehensive income or directly in equity.Current and deferred taxation assets and liabilities are not discounted.Current tax is recognised at the amount payable using the tax rates and laws that have been enacted or substantively enacted by the balance sheet date.Deferred taxDeferred tax balances are recognised in respect of all timing differences that have originated but not reversed by the balance sheet date, except that* The recognition of deferred tax assets is limited to the extent that it is probable that they will be recovered against the reversal of deferred tax liabilities or other future taxable profits; and * Any deferred tax balances are reversed if and when all conditions for retaining associated tax allowances have been met.Deferred tax balances are not recognised in respect of permanent differences except in respect of business combinations, when deferred tax is recognised on the differences between the fair values of assets acquired and the future tax deductions available for them and the difference between the fair values of liabilities acquired and the amount that will be assessed for tax. Deferred tax is determined using the tax rates that have been enacted or substantively enacted by the reporting date.