Entity negotiates for a new employee to commence work from July, and sign the contract at that time，which belongs to business transaction.
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In order to keep the equation in balance, a transaction must be recorded at least twice.
A. 对
B. 错
A chart of accounts is a listing of the ledger account titles and their related numbers.
A. 对
B. 错
边际效用随着消费量的增加而()
A. 递增
B. 递减
C. 先增后减
无预约访客在时间管理“四象限”中属于（ ）类事项。
A. 重要又紧急
B. 重要但不紧急
C. 不重要但紧急
D. 不重要也不紧急
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