product provided to the endorsers will depend on many factors including general playing conditions , the number of sporting events in which they participate , and our own decisions regarding product and marketing initiatives . in addition , the costs to design , develop , source , and purchase the products furnished to the endorsers are incurred over a period of time and are not necessarily tracked separately from similar costs incurred for products sold to customers . ( 2 ) we generally order product at least four to five months in advance of sale based primarily on advanced futures orders received from customers . the amounts listed for product purchase obligations represent agreements ( including open purchase orders ) to purchase products in the ordinary course of business , that are enforceable and legally binding and that specify all significant terms . in some cases , prices are subject to change throughout the production process . the reported amounts exclude product purchase liabilities included in accounts payable on the consolidated balance sheet as of may 31 , 2009 . ( 3 ) other amounts primarily include service and marketing commitments made in the ordinary course of business . the amounts represent the minimum payments required by legally binding contracts and agreements that specify all significant terms , including open purchase orders for non-product purchases . the reported amounts exclude those liabilities included in accounts payable or accrued liabilities on the consolidated balance sheet as of may 31 , 2009 . the total liability for uncertain tax positions was $ 273.9 million , excluding related interest and penalties , at may 31 , 2009 . we are not able to reasonably estimate when or if cash payments of the long-term liability for uncertain tax positions will occur . we also have the following outstanding short-term debt obligations as of may 31 , 2009 . please refer to the accompanying notes to the consolidated financial statements ( note 7 2014 short-term borrowings and credit lines ) for further description and interest rates related to the short-term debt obligations listed below . outstanding as of may 31 , 2009 ( in millions ) notes payable , due at mutually agreed-upon dates within one year of issuance or on demand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 342.9 payable to sojitz america for the purchase of inventories , generally due 60 days after shipment of goods from a foreign port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 78.5 as of may 31 , 2009 , letters of credit of $ 154.8 million were outstanding , generally for the purchase of inventory . capital resources in december 2008 , we filed a shelf registration statement with the securities and exchange commission under which $ 760 million in debt securities may be issued . as of may 31 , 2009 , no debt securities had been issued under this shelf registration . we may issue debt securities under the shelf registration in fiscal 2010 depending on general corporate needs . as of may 31 , 2009 , we had no amounts outstanding under our multi-year , $ 1 billion revolving credit facility in place with a group of banks . the facility matures in december 2012 . based on our current long-term senior unsecured debt ratings of a+ and a1 from standard and poor 2019s corporation and moody 2019s investor services , respectively , the interest rate charged on any outstanding borrowings would be the prevailing london interbank offer rate ( 201clibor 201d ) plus 0.15% ( 0.15 % ) . the facility fee is 0.05% ( 0.05 % ) of the total commitment . if our long-term debt rating were to decline , the facility fee and interest rate under our committed credit facility would increase . conversely , if our long-term debt rating were to improve , the facility fee and interest rate would decrease . changes in our long-term debt rating would not trigger acceleration of maturity of any then outstanding borrowings or any future borrowings under the committed credit facility . under this committed credit facility , we have agreed to various covenants . these covenants include limits on our disposal of fixed assets and the amount of debt secured by liens we may incur as well as a minimum capitalization ratio . in the .

Table: outstanding as of may 31 2009 ( in millions ) notes payable due at mutually agreed-upon dates within one year of issuance or on demand $ 342.9 payable to sojitz america for the purchase of inventories generally due 60 days after shipment of goods from a foreign port $ 78.5

product provided to the endorsers will depend on many factors including general playing conditions , the number of sporting events in which they participate , and our own decisions regarding product and marketing initiatives . in addition , the costs to design , develop , source , and purchase the products furnished to the endorsers are incurred over a period of time and are not necessarily tracked separately from similar costs incurred for products sold to customers . ( 2 ) we generally order product at least four to five months in advance of sale based primarily on advanced futures orders received from customers . the amounts listed for product purchase obligations represent agreements ( including open purchase orders ) to purchase products in the ordinary course of business , that are enforceable and legally binding and that specify all significant terms . in some cases , prices are subject to change throughout the production process . the reported amounts exclude product purchase liabilities included in accounts payable on the consolidated balance sheet as of may 31 , 2009 . ( 3 ) other amounts primarily include service and marketing commitments made in the ordinary course of business . the amounts represent the minimum payments required by legally binding contracts and agreements that specify all significant terms , including open purchase orders for non-product purchases . the reported amounts exclude those liabilities included in accounts payable or accrued liabilities on the consolidated balance sheet as of may 31 , 2009 . the total liability for uncertain tax positions was $ 273.9 million , excluding related interest and penalties , at may 31 , 2009 . we are not able to reasonably estimate when or if cash payments of the long-term liability for uncertain tax positions will occur . we also have the following outstanding short-term debt obligations as of may 31 , 2009 . please refer to the accompanying notes to the consolidated financial statements ( note 7 2014 short-term borrowings and credit lines ) for further description and interest rates related to the short-term debt obligations listed below . outstanding as of may 31 , 2009 ( in millions ) notes payable , due at mutually agreed-upon dates within one year of issuance or on demand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 342.9 payable to sojitz america for the purchase of inventories , generally due 60 days after shipment of goods from a foreign port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 78.5 as of may 31 , 2009 , letters of credit of $ 154.8 million were outstanding , generally for the purchase of inventory . capital resources in december 2008 , we filed a shelf registration statement with the securities and exchange commission under which $ 760 million in debt securities may be issued . as of may 31 , 2009 , no debt securities had been issued under this shelf registration . we may issue debt securities under the shelf registration in fiscal 2010 depending on general corporate needs . as of may 31 , 2009 , we had no amounts outstanding under our multi-year , $ 1 billion revolving credit facility in place with a group of banks . the facility matures in december 2012 . based on our current long-term senior unsecured debt ratings of a+ and a1 from standard and poor 2019s corporation and moody 2019s investor services , respectively , the interest rate charged on any outstanding borrowings would be the prevailing london interbank offer rate ( 201clibor 201d ) plus 0.15% ( 0.15 % ) . the facility fee is 0.05% ( 0.05 % ) of the total commitment . if our long-term debt rating were to decline , the facility fee and interest rate under our committed credit facility would increase . conversely , if our long-term debt rating were to improve , the facility fee and interest rate would decrease . changes in our long-term debt rating would not trigger acceleration of maturity of any then outstanding borrowings or any future borrowings under the committed credit facility . under this committed credit facility , we have agreed to various covenants . these covenants include limits on our disposal of fixed assets and the amount of debt secured by liens we may incur as well as a minimum capitalization ratio . in the .

Question: what percent of the total amount outstanding is due to notes payable due at mutually agreed-upon dates within one year of issuance or on demand?
Answer: 81%
Calculation: divide(342.9, add(342.9, 78.5))