{"pre_text": ["28 , 35 , or 90 days .", "the funds associated with failed auctions will not be accessible until a successful auction occurs or a buyer is found outside of the auction process .", "based on broker- dealer valuation models and an analysis of other-than-temporary impairment factors , auction rate securities with an original par value of approximately $ 34 million were written-down to an estimated fair value of $ 16 million as of december 31 , 2007 .", "this write-down resulted in an 201cother-than-temporary 201d impairment charge of approximately $ 8 million ( pre-tax ) included in net income and a temporary impairment charge of $ 10 million ( pre-tax ) reflected as an unrealized loss within other comprehensive income for 2007 .", "as of december 31 , 2007 , these investments in auction rate securities have been in a loss position for less than six months .", "these auction rate securities are classified as non-current marketable securities as of december 31 , 2007 as indicated in the preceding table .", "3m reviews impairments associated with the above in accordance with emerging issues task force ( eitf ) 03-1 and fsp sfas 115-1 and 124-1 , 201cthe meaning of other-than-temporary-impairment and its application to certain investments , 201d to determine the classification of the impairment as 201ctemporary 201d or 201cother-than-temporary . 201d a temporary impairment charge results in an unrealized loss being recorded in the other comprehensive income component of stockholders 2019 equity .", "such an unrealized loss does not reduce net income for the applicable accounting period because the loss is not viewed as other-than-temporary .", "the company believes that a portion of the impairment of its auction rate securities investments is temporary and a portion is other-than-temporary .", "the factors evaluated to differentiate between temporary and other-than-temporary include the projected future cash flows , credit ratings actions , and assessment of the credit quality of the underlying collateral .", "the balance at december 31 , 2007 for marketable securities and short-term investments by contractual maturity are shown below .", "actual maturities may differ from contractual maturities because the issuers of the securities may have the right to prepay obligations without prepayment penalties .", "dec .", "31 , ( millions ) 2007 ."], "post_text": ["predetermined intervals , usually every 7 ."], "table": [["( millions )", "dec . 31 2007"], ["due in one year or less", "$ 231"], ["due after one year through three years", "545"], ["due after three years through five years", "221"], ["due after five years", "62"], ["total marketable securities", "$ 1059"]], "table_ori": [["(Millions)", "Dec. 31, 2007"], ["Due in one year or less", "$231"], ["Due after one year through three years", "545"], ["Due after three years through five years", "221"], ["Due after five years", "62"], ["Total marketable securities", "$1,059"]]}

Question: what is the percent of the securities due in one year or less to the total balance
Evidence:
table_1: ( millions ) the due in one year or less of dec . 31 2007 is $ 231 ;
table_5: ( millions ) the total marketable securities of dec . 31 2007 is $ 1059 ;
Program: divide(231, 1059)
Answer:
str_answer: 21.8%
exe_answer: 0.21813