the increase in interest expense during the year ended december 31 , 2009 versus 2008 is primarily due to the additional debt we assumed as a result of the allied acquisition . interest expense also increased as a result of accreting discounts applied to debt or imputing interest on environmental and risk reserves assumed from allied . the debt we assumed from allied was recorded at fair value as of december 5 , 2008 . we recorded a discount of $ 624.3 million , which is amortized as interest expense over the applicable terms of the related debt instruments or written-off upon refinancing . the remaining unamortized discounts on the outstanding debt assumed from allied as of december 31 , 2010 are as follows ( in millions ) : remaining discount expected amortization over the next twelve months .

Table:
 | remaining discount | expected amortization over the next twelve months
$ 400.0 million 5.750% ( 5.750 % ) senior notes due february 2011 | $ 1.2 | $ 1.2
$ 275.0 million 6.375% ( 6.375 % ) senior notes due april 2011 | 1.8 | 1.8
$ 600.0 million 7.125% ( 7.125 % ) senior notes due may 2016 | 64.5 | 9.7
$ 750.0 million 6.875% ( 6.875 % ) senior notes due june 2017 | 86.1 | 10.4
$ 99.5 million 9.250% ( 9.250 % ) debentures due may 2021 | 6.1 | 0.4
$ 360.0 million 7.400% ( 7.400 % ) debentures due september 2035 | 92.4 | 0.9
other maturing 2014 through 2027 | 21.9 | 2.6
total | $ 274.0 | $ 27.0
loss on extinguishment of debt loss on early extinguishment of debt was $ 160.8 million for the year ended december 31 , 2010 , resulting from the following : 2022 during 2010 , we refinanced $ 677.4 million and repaid $ 97.8 million of our tax-exempt financings resulting in a loss on extinguishment of debt of $ 28.5 million related to charges for unamortized debt discounts and professional fees paid to effectuate these transactions .
2022 in march 2010 , we issued $ 850.0 million of 5.000% ( 5.000 % ) senior notes due 2020 and $ 650.0 million of 6.200% ( 6.200 % ) senior notes due 2040 .
we used the net proceeds from these senior notes as follows : ( i ) $ 433.7 million to redeem the 6.125% ( 6.125 % ) senior notes due 2014 at a premium of 102.042% ( 102.042 % ) ( $ 425.0 million principal outstanding ) ; ( ii ) $ 621.8 million to redeem the 7.250% ( 7.250 % ) senior notes due 2015 at a premium of 103.625% ( 103.625 % ) ( $ 600.0 million principal outstanding ) ; and ( iii ) the remainder to reduce amounts outstanding under our credit facilities and for general corporate purposes .
we incurred a loss of $ 132.1 million for premiums paid to repurchase debt , to write-off unamortized debt discounts and for professional fees paid to effectuate the repurchase of the senior notes .
2022 additionally in march 2010 , we repaid all borrowings and terminated our accounts receivable securitization program with two financial institutions that allowed us to borrow up to $ 300.0 million on a revolving basis under loan agreements secured by receivables .
we recorded a loss on extinguish- ment of debt of $ 0.2 million related to the charges for unamortized deferred issuance costs associated with this program .
loss on early extinguishment of debt was $ 134.1 million for the year ended december 31 , 2009 , resulting from the following : 2022 in september 2009 , we issued $ 650.0 million of 5.500% ( 5.500 % ) senior notes due 2019 with an unamortized discount of $ 4.5 million at december 31 , 2009 .
a portion of the net proceeds from these notes was used to purchase and retire $ 325.5 million of our outstanding senior notes maturing in 2010 and 2011. .

Question: what was the ratio of the remaining discount of the notes due in 2017 to 2016
Answer: 1.33
Calculation: divide(86.1, 64.5)