We are faced with interest rate risks resulting from interest rate fluctuations. We have a variety of fixed and variable rate debt instruments. In an effort to manage interest rate exposures, we strive to achieve an acceptable balance between fixed and variable rate debt and have entered into interest rate swaps to maintain that balance. For interest rate derivative instruments, market risk is determined by calculating the impact to fair value of an assumed one-time change in interest rates across all maturities. Fair values were estimated based on market prices where available, or dealer quotes. A change in interest rates on variable rate debt is assumed to impact earnings and cash flow, but not fair value of debt. A change in interest rates on fixed rate debt is assumed to impact the fair value of debt, but not earnings and cash flow. Based on our overall interest rate exposure at February 2, 2002 and February 3, 2001, a 100 basis point change in interest rates would not have a material effect on our earnings or cash flows over a oneyear period. A 100 basis point increase in interest rates would decrease the fair value of our long-term debt at February 2, 2002 and February 3, 2001 by approximately $79 million and $29 million, respectively. A 100 basis point decrease in interest rates would increase the fair value of our long-term debt at February 2, 2002 and February 3, 2001 by approximately $87 million and $34 million, respectively. See the notes to the consolidated financial statements for additional discussion of our outstanding derivative financial instruments at February 2, 2002. Critical Accounting Policies Our discussion and analysis of our financial condition and results of our operations is based upon the consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States. The preparation of these financial statements requires us to make certain estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses, and the related disclosure of contingent assets and liabilities as of the date of the financial statements and during the applicable periods. We base these estimates on historical experience and on various other assumptions that we believe to be reasonable under the circumstances. Actual results may differ materially from these estimates under different assumptions or conditions. We believe the following critical accounting policies affect our more significant judgments and estimates used in the preparation of our consolidated financial statements. Inventories: We receive various types of merchandise allowances from our vendors, which are based primarily on negotiated terms. We use estimates at interim periods to record our provisions for inventory shortage and to record vendor funded merchandise allowances. These estimates are based on historical and current available data and other factors and are adjusted to actual amounts at the completion of our physical inventories and finalization of all vendor allowances. Although we believe that these estimates are adequate and proper, the actual amounts could vary. Deferred Tax Assets:
At February 2, 2002, we have recorded deferred tax assets, net of valuation allowances, of $289 million. We believe it is more likely than not that we will be able to realize these assets through reduction of future taxable income. We base this belief upon the levels of taxable income historically generated by our business, as well as projections of future taxable income. If future levels of taxable income are not consistent with our expectations, we may be required to record an additional valuation allowance, which could reduce our net income by a material amount. Derivatives and
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