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Concentration | 12 Months Ended
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Feb. 28, 2023
Risks and Uncertainties [Abstract] |
Concentration | 17. CONCENTRATION Financial instruments that potentially expose the Group to concentrations of credit risk consist primarily of cash and cash equivalents, accounts receivable, other receivables, deposits and other assets, short-term investments, short-term investments under fair value and long-term investments under fair value. The Group places its cash and cash equivalents and investments with financial institutions with high-credit ratings. The Group conducts credit evaluations of its customers and suppliers, and generally does not require collateral or other security from them. The Group evaluates its collection experience and long outstanding balances to determine the need for an allowance for doubtful accounts. The Group evaluates its concentrations of the continuing operations are as follows: (a) Major customers: For the years ended February 28, 2021, 2022 and 2023, the customers who accounted for 10% or more of total revenues are presented as follows:
|  | For the Years Ended |
|  | February 28, 2021 |  | February 28, 2022 |  | February 28, 2023 |
|  | RMB |  | % |  | RMB |  | % |  | RMB |  |  | US$ |  |  | % |
Customer A |  | — |  | — |  | — |  | — |  |  | 7,381 |  |  |  | 1,065 |  |  |  | 22 |
Total |  | — |  | — |  | — |  | — |  |  | 7,381 |  |  |  | 1,065 |  |  |  | 22 |
As of February 28, 2022 and 2023, the customers who accounted for 10% or more of accounts receivable are presented as follows:
|  | As of |
|  | February 28, 2022 |  | February 28, 2023 |
|  | RMB |  | % |  | RMB |  |  | US$ |  |  | % |
Customer B |  | — |  | — |  |  | 492 |  |  |  | 71 |  |  |  | 55 |
Customer C |  | — |  | — |  |  | 100 |  |  |  | 14 |  |  |  | 11 |
Total |  | — |  | — |  |  | 592 |  |  |  | 85 |  |  |  | 66 |
(b) Major suppliers: For the years ended February 28, 2021, 2022 and 2023, there was no supplier accounting for 10% or more of the cost of revenues.

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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -URI https://asc.fasb.org/topic&trid=2134479 + Details
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- References No definition available. + Details
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