pre_text: ( c ) the cash payments are interest payments on the associated debt obligations discussed above . after formation of the 2015 financing entities , the payments represent interest paid on nonrecourse financial liabilities of special purpose entities . in connection with the acquisition of temple-inland in february 2012 , two special purpose entities became wholly-owned subsidiaries of international paper . the use of the two wholly-owned special purpose entities discussed below preserved the tax deferral that resulted from the 2007 temple-inland timberlands sales . the company recognized an $ 840 million deferred tax liability in connection with the 2007 sales , which will be settled with the maturity of the notes in in october 2007 , temple-inland sold 1.55 million acres of timberland for $ 2.38 billion . the total consideration consisted almost entirely of notes due in 2027 issued by the buyer of the timberland , which temple-inland contributed to two wholly-owned , bankruptcy-remote special purpose entities . the notes are shown in financial assets of special purpose entities in the accompanying consolidated balance sheet and are supported by $ 2.38 billion of irrevocable letters of credit issued by three banks , which are required to maintain minimum credit ratings on their long-term debt . in the third quarter of 2012 , international paper completed its preliminary analysis of the acquisition date fair value of the notes and determined it to be $ 2.09 billion . as of december 31 , 2015 and 2014 , the fair value of the notes was $ 2.10 billion and $ 2.27 billion , respectively . these notes are classified as level 2 within the fair value hierarchy , which is further defined in note 14 . in december 2007 , temple-inland's two wholly-owned special purpose entities borrowed $ 2.14 billion shown in nonrecourse financial liabilities of special purpose entities . the loans are repayable in 2027 and are secured only by the $ 2.38 billion of notes and the irrevocable letters of credit securing the notes and are nonrecourse to us . the loan agreements provide that if a credit rating of any of the banks issuing the letters of credit is downgraded below the specified threshold , the letters of credit issued by that bank must be replaced within 30 days with letters of credit from another qualifying financial institution . in the third quarter of 2012 , international paper completed its preliminary analysis of the acquisition date fair value of the borrowings and determined it to be $ 2.03 billion . as of december 31 , 2015 and 2014 , the fair value of this debt was $ 1.97 billion and $ 2.16 billion , respectively . this debt is classified as level 2 within the fair value hierarchy , which is further defined in note 14 . activity between the company and the 2007 financing entities was as follows: .
post_text: ( a ) the revenue is included in interest expense , net in the accompanying consolidated statement of operations and includes approximately $ 19 million , $ 19 million and $ 19 million for the years ended december 31 , 2015 , 2014 and 2013 , respectively , of accretion income for the amortization of the purchase accounting adjustment on the financial assets of special purpose entities . ( b ) the expense is included in interest expense , net in the accompanying consolidated statement of operations and includes approximately $ 7 million , $ 7 million and $ 7 million for the years ended december 31 , 2015 , 2014 and 2013 , respectively , of accretion expense for the amortization of the purchase accounting adjustment on the nonrecourse financial liabilities of special purpose entities . ( c ) the cash receipts are interest received on the financial assets of special purpose entities . ( d ) the cash payments are interest paid on nonrecourse financial liabilities of special purpose entities . note 13 debt and lines of credit in 2015 , international paper issued $ 700 million of 3.80% ( 3.80 % ) senior unsecured notes with a maturity date in 2026 , $ 600 million of 5.00% ( 5.00 % ) senior unsecured notes with a maturity date in 2035 , and $ 700 million of 5.15% ( 5.15 % ) senior unsecured notes with a maturity date in 2046 . the proceeds from this borrowing were used to repay approximately $ 1.0 billion of notes with interest rates ranging from 4.75% ( 4.75 % ) to 9.38% ( 9.38 % ) and original maturities from 2018 to 2022 , along with $ 211 million of cash premiums associated with the debt repayments . additionally , the proceeds from this borrowing were used to make a $ 750 million voluntary cash contribution to the company's pension plan . pre-tax early debt retirement costs of $ 207 million related to the debt repayments , including the $ 211 million of cash premiums , are included in restructuring and other charges in the accompanying consolidated statement of operations for the twelve months ended december 31 , 2015 . during the second quarter of 2014 , international paper issued $ 800 million of 3.65% ( 3.65 % ) senior unsecured notes with a maturity date in 2024 and $ 800 million of 4.80% ( 4.80 % ) senior unsecured notes with a maturity date in 2044 . the proceeds from this borrowing were used to repay approximately $ 960 million of notes with interest rates ranging from 7.95% ( 7.95 % ) to 9.38% ( 9.38 % ) and original maturities from 2018 to 2019 . pre-tax early debt retirement costs of $ 262 million related to these debt repayments , including $ 258 million of cash premiums , are included in restructuring and other charges in the accompanying consolidated statement of operations for the twelve months ended december 31 , 2014. .
table: In millions 2015 2014 2013
table: Revenue (a) $27 $26 $27
table: Expense (b) 27 25 29
table: Cash receipts (c) 7 7 8
table: Cash payments (d) 18 18 21
question: Analyse this data from a financial earnings document. based on the activity between the company and the 2007 financing entities what was the ratio of the cash payments to the cash receipts in 2013