{"pre_text": ["entergy arkansas , inc .", "and subsidiaries management 2019s financial discussion and analysis entergy arkansas 2019s receivables from the money pool were as follows as of december 31 for each of the following years: ."], "post_text": ["in april 2011 , entergy arkansas entered into a new $ 78 million credit facility that expires in april 2012 .", "there were no outstanding borrowings under the entergy arkansas credit facility as of december 31 , 2011 .", "entergy arkansas has obtained short-term borrowing authorization from the ferc under which it may borrow through october 2013 , up to the aggregate amount , at any one time outstanding , of $ 250 million .", "see note 4 to the financial statements for further discussion of entergy arkansas 2019s short-term borrowing limits .", "entergy arkansas has also obtained an order from the apsc authorizing long-term securities issuances through december state and local rate regulation and fuel-cost recovery retail rates 2009 base rate filing in september 2009 , entergy arkansas filed with the apsc for a general change in rates , charges , and tariffs .", "in june 2010 the apsc approved a settlement and subsequent compliance tariffs that provide for a $ 63.7 million rate increase , effective for bills rendered for the first billing cycle of july 2010 .", "the settlement provides for a 10.2% ( 10.2 % ) return on common equity .", "production cost allocation rider the apsc approved a production cost allocation rider for recovery from customers of the retail portion of the costs allocated to entergy arkansas as a result of the system agreement proceedings .", "these costs cause an increase in entergy arkansas 2019s deferred fuel cost balance , because entergy arkansas pays the costs over seven months but collects them from customers over twelve months .", "see note 2 to the financial statements and entergy corporation and subsidiaries 201cmanagement 2019s financial discussion and analysis - system agreement 201d for discussions of the system agreement proceedings .", "energy cost recovery rider entergy arkansas 2019s retail rates include an energy cost recovery rider to recover fuel and purchased energy costs in monthly bills .", "the rider utilizes prior calendar year energy costs and projected energy sales for the twelve- month period commencing on april 1 of each year to develop an energy cost rate , which is redetermined annually and includes a true-up adjustment reflecting the over-recovery or under-recovery , including carrying charges , of the energy cost for the prior calendar year .", "the energy cost recovery rider tariff also allows an interim rate request depending upon the level of over- or under-recovery of fuel and purchased energy costs .", "in early october 2005 , the apsc initiated an investigation into entergy arkansas's interim energy cost recovery rate .", "the investigation focused on entergy arkansas's 1 ) gas contracting , portfolio , and hedging practices ; 2 ) wholesale purchases during the period ; 3 ) management of the coal inventory at its coal generation plants ; and 4 ) response to the contractual failure of the railroads to provide coal deliveries .", "in march 2006 , the apsc extended its investigation to cover the costs included in entergy arkansas's march 2006 annual energy cost rate filing , and a hearing was held in the apsc energy cost recovery investigation in october 2006. ."], "table": [["2011", "2010", "2009", "2008"], ["( in thousands )", "( in thousands )", "( in thousands )", "( in thousands )"], ["$ 17362", "$ 41463", "$ 28859", "$ 15991"]], "table_ori": [["2011", "2010", "2009", "2008"], ["(In Thousands)"], ["$17,362", "$41,463", "$28,859", "$15,991"]]}

Question: what was the average receivables for entergy arkansas from 2008 to 2011
Evidence:
table_2: 2011 the $ 17362 of 2010 is $ 41463 ; the $ 17362 of 2009 is $ 28859 ; the $ 17362 of 2008 is $ 15991 ;
Program: add(17362, 41463), add(28859, #0), add(15991, #1), add(#2, const_4)
Answer:
str_answer: 25918.75
exe_answer: 103679