recorded an additional reserve of $36 in 2008. As of December 31, 2008, the total amounts related to the unreserved portion of the tax and labor contingencies, inclusive of any related interest, amounted to approximately $839, with the decrease from December 31, 2007 balance of $1.1 billion primarily related to currency partially offset by the additional reserve. In connection with the above proceedings, customary local regulations may require us to make escrow cash deposits or post other security of up to half of the total amount in dispute. As of December 31, 2008 we had $167 of escrow cash deposits for matters we are disputing and there are liens on certain Brazilian assets with a net book value of $30 and additional letters of credit of approximately $88