(2) Market risk management (risk of exchange rate and interest rate fluctuations)Any investments to compound financial instruments that include stocks, bonds, and derivatives as their components are managed with theestablished policies and within the specified limit on the amounts of investments allowed. In addition, the Company clearly separates itstransaction division and management division in their functions with the view to securely managing its assets. The Company's managementdivision confirms transactions, manages its current position, and ensures that all derivative transactions are executed with the establishedpolicies so that its internal control functions properly. The Company periodically provides administrative reports on the status of its position,including market value, to the financial director and treasurer.
Regarding marketable securities and investment securities, the Company periodically examines the financial condition of the issuingentities. The company also regularly reviews the status of its holdings of bonds, not including those held to maturity, taking into consideration its relationships with corporate business holders.
(3) Management of liquidity risk associated with funds procurement (payment default risk)The Company and its consolidated subsidiaries manage liquidity risk by creating and updating a capital deployment plan based on reportsfrom each division.
(d) Fair value of financial instrumentsFair values of financial instruments include the values based on market prices, and the values deemed as market prices obtained by thereasonable estimate when the financial instruments do not have market prices. Since certain assumptions and others are adopted for calculating such values, they may differ when adopting different assumptions and others.
B. Fair values of financial informationFair values of financial instruments as of March 31, 2011 and 2010 were summarized as follows:The financial instruments whose fair values were not available were not included in the below and were summarized in B (b).
(a) Fair values of financial instruments(Millions of yen)March 31, 2011Cash and depositsNotes and accounts receivableAllowance for bad debts*Marketable and investment securitiesOther securitiesAssets TotalAcquisition Amount¥10,685
7,688(114)¥7,574Estimated fair value¥10,685Difference-¥7,574-34,624¥52,88434,624¥52,884-(Millions of yen)March 31, 2010Cash and depositsNotes and accounts receivableAllowance for bad debts*Marketable and investment securitiesOther securitiesAssets TotalAcquisition Amount¥6,551
8,469(242)¥8,226Estimated fair value¥6,551

Difference-¥8,226-37,350¥52,12837,350¥52,128-(Thousands of U.S.dollars)March 31, 2011Cash and depositsNotes and accounts receivableAllowance for bad debts*Marketable and investment securitiesOther securitiesAssets TotalAcquisition Amount$128,50892,470(1,376)$91,094Estimated fair value$128,508

Difference-$91,094-416,408$636,011416,408$636,011-* The amounts for probable losses calculated by applying a percentage based on collection experience to the remaining accounts are included.
(Note 1):Fair values of financial instruments, and matters pertaining to securities and derivative transactions.
AssetsCash and deposits and Notes and accounts receivableThe book values approximate the fair values because of short-term maturities of these instruments.
Marketable and investment securitiesThe fair value is based on the market prices or the prices obtained from financial institutions.
See the Notes on "7. Marketable securities and investment securities"12