performance of the company 2019s obligations under the senior notes , including any repurchase obligations resulting from a change of control , is unconditionally guaranteed , jointly and severally , on an unsecured basis , by each of hii 2019s existing and future domestic restricted subsidiaries that guarantees debt under the credit facility ( the 201csubsidiary guarantors 201d ) .the guarantees rank equally with all other unsecured and unsubordinated indebtedness of the guarantors .the subsidiary guarantors are each directly or indirectly 100% ( 100 % ) owned by hii .there are no significant restrictions on the ability of hii or any subsidiary guarantor to obtain funds from their respective subsidiaries by dividend or loan .mississippi economic development revenue bonds 2014as of december 31 , 2011 and 2010 , the company had $ 83.7 million outstanding from the issuance of industrial revenue bonds issued by the mississippi business finance corporation .these bonds accrue interest at a fixed rate of 7.81% ( 7.81 % ) per annum ( payable semi-annually ) and mature in 2024 .while repayment of principal and interest is guaranteed by northrop grumman systems corporation , hii has agreed to indemnify northrop grumman systems corporation for any losses related to the guaranty .in accordance with the terms of the bonds , the proceeds have been used to finance the construction , reconstruction , and renovation of the company 2019s interest in certain ship manufacturing and repair facilities , or portions thereof , located in the state of mississippi .gulf opportunity zone industrial development revenue bonds 2014as of december 31 , 2011 and 2010 , the company had $ 21.6 million outstanding from the issuance of gulf opportunity zone industrial development revenue bonds ( 201cgo zone irbs 201d ) issued by the mississippi business finance corporation .the go zone irbs were initially issued in a principal amount of $ 200 million , and in november 2010 , in connection with the anticipated spin-off , hii purchased $ 178 million of the bonds using the proceeds from a $ 178 million intercompany loan from northrop grumman .see note 20 : related party transactions and former parent company equity .the remaining bonds accrue interest at a fixed rate of 4.55% ( 4.55 % ) per annum ( payable semi-annually ) , and mature in 2028 .in accordance with the terms of the bonds , the proceeds have been used to finance the construction , reconstruction , and renovation of the company 2019s interest in certain ship manufacturing and repair facilities , or portions thereof , located in the state of mississippi .the estimated fair value of the company 2019s total long-term debt , including current portions , at december 31 , 2011 and 2010 , was $ 1864 million and $ 128 million , respectively .the fair value of the total long-term debt was calculated based on recent trades for most of the company 2019s debt instruments or based on interest rates prevailing on debt with substantially similar risks , terms and maturities .the aggregate amounts of principal payments due on long-term debt for each of the next five years and thereafter are : ( $ in millions ) .
[['2012', '$ 29'], ['2013', '50'], ['2014', '79'], ['2015', '108'], ['2016', '288'], ['thereafter', '1305'], ['total long-term debt', '$ 1859']]
14 .investigations , claims , and litigation the company is involved in legal proceedings before various courts and administrative agencies , and is periodically subject to government examinations , inquiries and investigations .pursuant to fasb accounting standard codification 450 contingencies , the company has accrued for losses associated with investigations , claims and litigation when , and to the extent that , loss amounts related to the investigations , claims and litigation are probable and can be reasonably estimated .the actual losses that might be incurred to resolve such investigations , claims and litigation may be higher or lower than the amounts accrued .for matters where a material loss is probable or reasonably possible and the amount of loss cannot be reasonably estimated , but the company is able to reasonably estimate a range of possible losses , such estimated range is required to be disclosed in these notes .this estimated range would be based on information currently available to the company and would involve elements of judgment and significant uncertainties .this estimated range of possible loss would not represent the company 2019s maximum possible loss exposure .for matters as to which the company is not able to reasonably estimate a possible loss or range of loss , the company is required to indicate the reasons why it is unable to estimate the possible loss or range of loss .for matters not specifically described in these notes , the company does not believe , based on information currently available to it , that it is reasonably possible that the liabilities , if any , arising from .

Question: what is the amount of interest payment incurred from the bonds issued by the mississippi business finance corporation?
Answer: 3.3