{"pre_text": ["notes to consolidated financial statements ( continued ) note 6 2014income taxes ( continued ) a reconciliation of the provision for income taxes , with the amount computed by applying the statutory federal income tax rate ( 35% ( 35 % ) in 2005 , 2004 , and 2003 ) to income before provision for income taxes , is as follows ( in millions ) : ."], "post_text": ["during 2005 , the company reversed certain tax contingency reserves and recorded a corresponding benefit to income tax expense primarily as a result of a change in the estimated outcome of certain tax disputes .", "additionally , during the fourth quarter of 2005 , the company recorded a benefit to tax expense to adjust its net deferred tax assets as a result of the company 2019s year-end review of its deferred tax accounts , the impact of which was not material to the current or prior periods 2019 results of operations .", "the total benefit to income tax expense from the reversal of these tax contingency reserves and adjustments to net deferred tax assets was $ 67 million .", "the company also recorded a $ 14 million credit to income tax expense resulting from a reduction of the valuation allowance .", "the internal revenue service ( irs ) has completed its field audit of the company 2019s federal income tax returns for all years prior to 2002 and proposed certain adjustments .", "certain of these adjustments are being contested through the irs appeals office .", "substantially all irs audit issues for these years have been resolved .", "in addition , the company is also subject to audits by state , local , and foreign tax authorities .", "management believes that adequate provisions have been made for any adjustments that may result from tax examinations .", "however , the outcome of tax audits cannot be predicted with certainty .", "should any issues addressed in the company 2019s tax audits be resolved in a manner not consistent with management 2019s expectations , the company could be required to adjust its provision for income tax in the period such resolution occurs .", "note 7 2014shareholders 2019 equity preferred stock the company has 5 million shares of authorized preferred stock , none of which is outstanding .", "under the terms of the company 2019s restated articles of incorporation , the board of directors is authorized to determine or alter the rights , preferences , privileges and restrictions of the company 2019s authorized but unissued shares of preferred stock. ."], "table": [["", "2005", "2004", "2003"], ["computed expected tax", "$ 636", "$ 134", "$ 32"], ["state taxes net of federal effect", "-19 ( 19 )", "-5 ( 5 )", "-4 ( 4 )"], ["indefinitely invested earnings of foreign subsidiaries", "-98 ( 98 )", "-31 ( 31 )", "-13 ( 13 )"], ["nondeductible executive compensation", "11", "10", "5"], ["research and development credit net", "-26 ( 26 )", "-5 ( 5 )", "-7 ( 7 )"], ["other items", "-24 ( 24 )", "4", "11"], ["provision for income taxes", "$ 480", "$ 107", "$ 24"], ["effective tax rate", "26% ( 26 % )", "28% ( 28 % )", "26% ( 26 % )"]], "table_ori": [["", "2005", "2004", "2003"], ["Computed expected tax", "$636", "$134", "$32"], ["State taxes, net of federal effect", "(19)", "(5)", "(4)"], ["Indefinitely invested earnings of foreign subsidiaries", "(98)", "(31)", "(13)"], ["Nondeductible executive compensation", "11", "10", "5"], ["Research and development credit, net", "(26)", "(5)", "(7)"], ["Other items", "(24)", "4", "11"], ["Provision for income taxes", "$480", "$107", "$24"], ["Effective tax rate", "26%", "28%", "26%"]]}

Question: what was the average effective tax rate for the three year period?
Evidence:
table_8: the effective tax rate of 2005 is 26% ( 26 % ) ; the effective tax rate of 2004 is 28% ( 28 % ) ; the effective tax rate of 2003 is 26% ( 26 % ) ;
text_12: note 7 2014shareholders 2019 equity preferred stock the company has 5 million shares of authorized preferred stock , none of which is outstanding .
Program: table_average(effective tax rate, none)
Answer:
str_answer: 26.7
exe_answer: 0.26667