unconditional purchase obligations have been entered into in the ordinary course of business , prin- cipally for capital projects and the purchase of cer- tain pulpwood , logs , wood chips , raw materials , energy and services , including fiber supply agree- ments to purchase pulpwood that were entered into concurrently with the 2006 transformation plan for- estland sales ( see note 7 ) . at december 31 , 2006 , total future minimum commitments under existing non-cancelable leases and purchase obligations were as follows : in millions 2007 2008 2009 2010 2011 thereafter .
at december 31 , 2006 , what percentage of total future minimum commitments under existing non-cancelable leases and purchase obligations from lease obligations is due in 2008?
( a ) included in these amounts are $ 76 million of lease obligations related to discontinued operations and businesses held for sale that are due as follows : 2007 2013 $ 23 million ; 2008 2013 $ 19 million ; 2009 2013 $ 15 million ; 2010 2013 $ 7 million ; 2011 2013 $ 5 million ; and thereafter 2013 $ 7 million . ( b ) included in these amounts are $ 1.3 billion of purchase obliga- tions related to discontinued operations and businesses held for sale that are due as follows : 2007 2013 $ 335 million ; 2008 2013 $ 199 million ; 2009 2013 $ 157 million ; 2010 2013 $ 143 million ; 2011 2013 $ 141 million ; and thereafter 2013 $ 331 million . ( c ) includes $ 2.2 billion relating to fiber supply agreements entered into at the time of the transformation plan forestland sales . rent expense was $ 217 million , $ 216 million and $ 225 million for 2006 , 2005 and 2004 , respectively . international paper entered into an agreement in 2000 to guarantee , for a fee , an unsecured con- tractual credit agreement between a financial institution and an unrelated third-party customer . in the fourth quarter of 2006 , the customer cancelled the agreement and paid the company a fee of $ 11 million , which is included in cost of products sold in the accompanying consolidated statement of oper- ations . accordingly , the company has no future obligations under this agreement . in connection with sales of businesses , property , equipment , forestlands and other assets , interna- tional paper commonly makes representations and warranties relating to such businesses or assets , and may agree to indemnify buyers with respect to tax and environmental liabilities , breaches of repre- sentations and warranties , and other matters . where liabilities for such matters are determined to be probable and subject to reasonable estimation , accrued liabilities are recorded at the time of sale as a cost of the transaction . under the terms of the sale agreement for the bever- age packaging business , the purchase price received by the company is subject to a post-closing adjust- ment if adjusted annualized earnings of the beverage packaging business for the first six months of 2007 are less than a targeted amount . the adjustment , if any , would equal five times the shortfall from the targeted amount . while management does not cur- rently believe that such adjustment is probable based upon current projections , it is reasonably possible that an adjustment could be required in international paper does not currently believe that it is reasonably possible that future unrecorded liabilities for other such matters , if any , would have a material adverse effect on its consolidated financial statements . exterior siding and roofing settlements three nationwide class action lawsuits against the company and masonite corp. , a formerly wholly- owned subsidiary of the company , relating to exterior siding and roofing products manufactured by masonite were settled in 1998 and 1999 . masonite was sold to premdor inc . in 2001 . the liability for these settlements , as well as the corresponding insurance recoveries ( each as further described below ) , were retained by the company . the first suit , entitled judy naef v . masonite and international paper , was filed in december 1994 and settled on january 15 , 1998 ( the hardboard settlement ) . the plaintiffs alleged that hardboard siding manufactured by masonite failed prematurely , allowing moisture intrusion that in turn caused damage to the structure underneath the siding . the class consisted of all u.s . property owners having masonite hardboard siding installed on and incorporated into buildings between january 1 , 1980 , and january 15 , 1998 . for siding that was installed between january 1 , 1980 , and december 31 , 1989 , the deadline for filing claims expired january 18 , 2005 , and for siding installed between january 1 , 1990 , through january 15 , 1998 , claims must be made by january 15 , 2008 . the second suit , entitled cosby , et al . v . masonite corporation , et al. , was filed in 1997 and settled on january 6 , 1999 ( the omniwood settlement ) . the plaintiffs made allegations with regard to omniwood .