Read the following texts and table with financial data from an S&P 500 earnings report carefully.Based on the question-answer history (if provided), answer the last question. The answer may require mathematical calculation based on the data provided.


entergy mississippi , inc . management's financial discussion and analysis sources of capital entergy mississippi's sources to meet its capital requirements include : internally generated funds ; cash on hand ; debt or preferred stock issuances ; and bank financing under new or existing facilities . entergy mississippi may refinance or redeem debt and preferred stock prior to maturity , to the extent market conditions and interest and dividend rates are favorable . all debt and common and preferred stock issuances by entergy mississippi require prior regulatory approval . preferred stock and debt issuances are also subject to issuance tests set forth in its corporate charter , bond indenture , and other agreements . entergy mississippi has sufficient capacity under these tests to meet its foreseeable capital needs . entergy mississippi has two separate credit facilities in the aggregate amount of $ 50 million and renewed both facilities through may 2009 . borrowings under the credit facilities may be secured by a security interest in entergy mississippi's accounts receivable . no borrowings were outstanding under either credit facility as of december 31 , 2008 . entergy mississippi has obtained short-term borrowing authorization from the ferc under which it may borrow through march 31 , 2010 , up to the aggregate amount , at any one time outstanding , of $ 175 million . see note 4 to the financial statements for further discussion of entergy mississippi's short-term borrowing limits . entergy mississippi has also obtained an order from the ferc authorizing long-term securities issuances . the current long-term authorization extends through june 30 , 2009 . entergy mississippi's receivables from or ( payables to ) the money pool were as follows as of december 31 for each of the following years: . <table class='wikitable'><tr><td>1</td><td>2008</td><td>2007</td><td>2006</td><td>2005</td></tr><tr><td>2</td><td>( in thousands )</td><td>( in thousands )</td><td>( in thousands )</td><td>( in thousands )</td></tr><tr><td>3</td><td>( $ 66044 )</td><td>$ 20997</td><td>$ 39573</td><td>( $ 84066 )</td></tr></table> in may 2007 , $ 6.6 million of entergy mississippi's receivable from the money pool was replaced by a note receivable from entergy new orleans . see note 4 to the financial statements for a description of the money pool . state and local rate regulation the rates that entergy mississippi charges for electricity significantly influence its financial position , results of operations , and liquidity . entergy mississippi is regulated and the rates charged to its customers are determined in regulatory proceedings . a governmental agency , the mpsc , is primarily responsible for approval of the rates charged to customers . formula rate plan in march 2008 , entergy mississippi made its annual scheduled formula rate plan filing for the 2007 test year with the mpsc . the filing showed that a $ 10.1 million increase in annual electric revenues is warranted . in june 2008 , entergy mississippi reached a settlement with the mississippi public utilities staff that would result in a $ 3.8 million rate increase . in january 2009 the mpsc rejected the settlement and left the current rates in effect . entergy mississippi appealed the mpsc's decision to the mississippi supreme court. .
Question: how was the cash flow of entergy mississippi affected by the balance in money pool between 2007 and 2008?

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