notes to consolidated financial statements 2013 ( continued ) ( amounts in millions , except per share amounts ) debt transactions see note 6 for further information regarding the company 2019s acquisition of acxiom ( the 201cacxiom acquisition 201d ) on october 1 , 2018 ( the 201cclosing date 201d ) .
senior notes on september 21 , 2018 , in order to fund the acxiom acquisition and related fees and expenses , we issued a total of $ 2000.0 in aggregate principal amount of unsecured senior notes ( in four separate series of $ 500.0 each , together , the 201csenior notes 201d ) .
upon issuance , the senior notes were reflected on our consolidated balance sheets net of discount of $ 5.8 and net of the capitalized debt issuance costs , including commissions and offering expenses of $ 16.1 , both of which will be amortized in interest expense through the respective maturity dates of each series of senior notes using the effective interest method .
interest is payable semi-annually in arrears on april 1st and october 1st of each year , commencing on april 1 , 2019 .
the issuance was comprised of the following four series of notes : senior notes par value discount at issuance net price at issuance issuance cost net proceeds .

Senior Notes
Par Value
Discount at Issuance
Net Price at Issuance
Issuance Cost
Net Proceeds
3.50% Senior Notes due 2020
$500.0
$1.0
$499.0
$2.9
$496.1
3.75% Senior Notes due 2021
500.0
0.3
499.7
3.2
496.5
4.65% Senior Notes due 2028
500.0
1.7
498.3
4.4
493.9
5.40% Senior Notes due 2048
500.0
2.8
497.2
5.6
491.6
Total
$2,000.0
$5.8
$1,994.2
$16.1
$1,978.1

consistent with our other debt securities , the newly issued senior notes include covenants that , among other things , limit our liens and the liens of certain of our consolidated subsidiaries , but do not require us to maintain any financial ratios or specified levels of net worth or liquidity .
we may redeem each series of the senior notes at any time in whole or from time to time in part in accordance with the provisions of the indenture , including the applicable supplemental indenture , under which such series of senior notes was issued .
if the acxiom acquisition had been terminated or had not closed on or prior to june 30 , 2019 , we would have been required to redeem the senior notes due 2020 , 2021 and 2028 at a redemption price equal to 101% ( 101 % ) of the principal amount thereof , plus accrued and unpaid interest .
additionally , upon the occurrence of a change of control repurchase event with respect to the senior notes , each holder of the senior notes has the right to require the company to purchase that holder 2019s senior notes at a price equal to 101% ( 101 % ) of the principal amount thereof , plus accrued and unpaid interest , unless the company has exercised its option to redeem all the senior notes .
term loan agreement on october 1 , 2018 , in order to fund the acxiom acquisition and related fees and expenses , we borrowed $ 500.0 through debt financing arrangements with third-party lenders under a three-year term loan agreement ( the 201cterm loan agreement 201d ) , $ 100.0 of which we paid down on december 3 , 2018 .
consistent with our other debt securities , the term loan agreement includes covenants that , among other things , limit our liens and the liens of certain of our consolidated subsidiaries .
in addition , it requires us to maintain the same financial maintenance covenants as discussed below .
loans under the term loan bear interest at a variable rate based on , at the company 2019s option , either the base rate or the eurodollar rate ( each as defined in the term loan agreement ) plus an applicable margin that is determined based on our credit ratings .
as of december 31 , 2018 , the applicable margin was 0.25% ( 0.25 % ) for base rate loans and 1.25% ( 1.25 % ) for eurodollar rate loans. .

Question: Analyse this data from a financial earnings document. what was the percentage of issuance costs attributable to the senior notes due 2021
Choices:
0.19876
-0.19876
5.03125
0.18634
0.10559
Correct choice index: 0