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 .

Remaining Discount
Expected Amortization Over the Next Twelve Months
$400.0 million 5.750% senior notes due February 2011
$1.2
$1.2
$275.0 million 6.375% senior notes due April 2011
1.8
1.8
$600.0 million 7.125% senior notes due May 2016
64.5
9.7
$750.0 million 6.875% senior notes due June 2017
86.1
10.4
$99.5 million 9.250% debentures due May 2021
6.1
0.4
$360.0 million 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: Analyse this data from a financial earnings document. what was the ratio of the remaining discount of the notes due in 2017 to 2016
Choices:
0.74913
-1.33488
1
1.33488
0.19852
Correct choice index: 3