11 .
borrowings short-term borrowings the carrying value of short-term borrowings at december 31 , 2012 and 2011 , included $ 100 million under the 2012 revolving credit facility and $ 100 million under the 2011 revolving credit facility , respectively .
2012 revolving credit facility .
in march 2011 , the company entered into a five-year $ 3.5 billion unsecured revolving credit facility ( the 201c2011 credit facility 201d ) .
in march 2012 , the 2011 credit facility was amended to extend the maturity date by one year to march 2017 and in april 2012 the amount of the aggregate commitment was increased to $ 3.785 billion ( the 201c2012 credit facility 201d ) .
the 2012 credit facility permits the company to request an additional $ 1.0 billion of borrowing capacity , subject to lender credit approval , increasing the overall size of the 2012 credit facility to an aggregate principal amount not to exceed $ 4.785 billion .
interest on borrowings outstanding accrues at a rate based on the applicable london interbank offered rate plus a spread .
the 2012 credit facility requires the company not to exceed a maximum leverage ratio ( ratio of net debt to ebitda , where net debt equals total debt less unrestricted cash ) of 3 to 1 , which was satisfied with a ratio of less than 1 to 1 at december 31 , 2012 .
the 2012 credit facility provides back-up liquidity , funds ongoing working capital for general corporate purposes and funds various investment opportunities .
at december 31 , 2012 , the company had $ 100 million outstanding under this facility with an interest rate of 1.085% ( 1.085 % ) and a maturity during january 2013 .
during january 2013 , the company rolled over the $ 100 million in borrowings at an interest rate of 1.085% ( 1.085 % ) and a maturity during february 2013 .
during february 2013 , the company rolled over the $ 100 million in borrowings at an interest rate of 1.075% ( 1.075 % ) and a maturity during march 2013 .
commercial paper program .
on october 14 , 2009 , blackrock established a commercial paper program ( the 201ccp program 201d ) under which the company could issue unsecured commercial paper notes ( the 201ccp notes 201d ) on a private placement basis up to a maximum aggregate amount outstanding at any time of $ 3.0 billion .
on may 13 , 2011 , blackrock increased the maximum aggregate amount that may be borrowed under the cp program to $ 3.5 billion .
on may 17 , 2012 , blackrock increased the maximum aggregate amount to $ 3.785 billion .
the cp program is currently supported by the 2012 credit facility .
as of december 31 , 2012 and december 31 , 2011 , blackrock had no cp notes outstanding .
long-term borrowings the carrying value and fair value of long-term borrowings estimated using market prices at december 31 , 2012 included the following : ( dollar amounts in millions ) maturity amount unamortized discount carrying value fair value .

<i>(Dollar amounts in millions)</i>
Maturity Amount
Unamortized Discount
Carrying Value
Fair Value
Floating Rate Notes due 2013
$750
$—
$750
$750
3.50% Notes due 2014
1,000
—
1,000
1,058
1.375% Notes due 2015
750
—
750
762
6.25% Notes due 2017
700
(3)
697
853
5.00% Notes due 2019
1,000
(2)
998
1,195
4.25% Notes due 2021
750
(4)
746
856
3.375% Notes due 2022
750
(4)
746
801
Total Long-term Borrowings
$5,700
$(13)
$5,687
$6,275

.

Question: Analyse this data from a financial earnings document. what portion of the total long-term borrowings is due in the next 36 months?
Choices:
20.4386
0.1754
0.4379
0.4386
2.28
Correct choice index: 3