(m)Trade Accounts Payable and Accrued Expenses
Trade accounts payable and accrued expenses are obligations to pay for goods or services that have been acquired in the ordinary course of business from suppliers. Trade accounts payable and accrued expenses are classified as current liabilities if payment is due within one year or less (or in the normal operating cycle of the business if longer). If not, they are presented as non-current liabilities.
Trade accounts payable and accrued expenses are recognized initially at fair value and subsequently measured at amortized cost using the effective interest method.
Trade accounts payable and accrued expenses are presented as a single item of consolidated current liabilities in the consolidated statements of financial position as of December 31, 2017 and 2016.