{"pre_text": ["american tower corporation and subsidiaries notes to consolidated financial statements 2014 ( continued ) a description of the company 2019s reporting units and the results of the related transitional impairment testing are as follows : verestar 2014verestar was a single segment and reporting unit until december 2002 , when the company committed to a plan to dispose of verestar .", "the company recorded an impairment charge of $ 189.3 million relating to the impairment of goodwill in this reporting unit .", "the fair value of this reporting unit was determined based on an independent third party appraisal .", "network development services 2014as of january 1 , 2002 , the reporting units in the company 2019s network development services segment included kline , specialty constructors , galaxy , mts components and flash technologies .", "the company estimated the fair value of these reporting units utilizing future discounted cash flows and market information as to the value of each reporting unit on january 1 , 2002 .", "the company recorded an impairment charge of $ 387.8 million for the year ended december 31 , 2002 related to the impairment of goodwill within these reporting units .", "such charge included full impairment for all of the goodwill within the reporting units except kline , for which only a partial impairment was recorded .", "as discussed in note 2 , the assets of all of these reporting units were sold as of december 31 , 2003 , except for those of kline and our tower construction services unit , which were sold in march and november 2004 , respectively .", "rental and management 2014the company obtained an independent third party appraisal of the rental and management reporting unit that contains goodwill and determined that goodwill was not impaired .", "the company 2019s other intangible assets subject to amortization consist of the following as of december 31 , ( in thousands ) : ."], "post_text": ["the company amortizes its intangible assets over periods ranging from three to fifteen years .", "amortization of intangible assets for the years ended december 31 , 2004 and 2003 aggregated approximately $ 97.8 million and $ 94.6 million , respectively ( excluding amortization of deferred financing costs , which is included in interest expense ) .", "the company expects to record amortization expense of approximately $ 97.8 million , $ 95.9 million , $ 92.0 million , $ 90.5 million and $ 88.8 million , respectively , for the years ended december 31 , 2005 , 2006 , 2007 , 2008 and 2009 , respectively .", "5 .", "notes receivable in 2000 , the company loaned tv azteca , s.a .", "de c.v .", "( tv azteca ) , the owner of a major national television network in mexico , $ 119.8 million .", "the loan , which initially bore interest at 12.87% ( 12.87 % ) , payable quarterly , was discounted by the company , as the fair value interest rate at the date of the loan was determined to be 14.25% ( 14.25 % ) .", "the loan was amended effective january 1 , 2003 to increase the original interest rate to 13.11% ( 13.11 % ) .", "as of december 31 , 2004 , and 2003 , approximately $ 119.8 million undiscounted ( $ 108.2 million discounted ) under the loan was outstanding and included in notes receivable and other long-term assets in the accompanying consolidated balance sheets .", "the term of the loan is seventy years ; however , the loan may be prepaid by tv ."], "table": [["", "2004", "2003"], ["acquired customer base and network location intangibles", "$ 1369607", "$ 1299521"], ["deferred financing costs", "89736", "111484"], ["acquired licenses and other intangibles", "43404", "43125"], ["total", "1502747", "1454130"], ["less accumulated amortization", "-517444 ( 517444 )", "-434381 ( 434381 )"], ["other intangible assets net", "$ 985303", "$ 1019749"]], "table_ori": [["", "2004", "2003"], ["Acquired customer base and network location intangibles", "$1,369,607", "$1,299,521"], ["Deferred financing costs", "89,736", "111,484"], ["Acquired licenses and other intangibles", "43,404", "43,125"], ["Total", "1,502,747", "1,454,130"], ["Less accumulated amortization", "(517,444)", "(434,381)"], ["Other intangible assets, net", "$985,303", "$1,019,749"]]}

Question: what is the percentage change in amortization expense from from 2007 to 2008?
Evidence:
text_12: the company expects to record amortization expense of approximately $ 97.8 million , $ 95.9 million , $ 92.0 million , $ 90.5 million and $ 88.8 million , respectively , for the years ended december 31 , 2005 , 2006 , 2007 , 2008 and 2009 , respectively .
Program: subtract(95.9, 92.0), divide(#0, 92.0)
Answer:
str_answer: 4.2%
exe_answer: 0.04239