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As an accountant, I would like to check all transactions in POS with different kinds of payment methods so I can easily track cash flow easily
4. Pre-conditions
Any states that the system must be in or condition that must be met before the use case is started.
5. Post-conditions
Any states that the system must be in or conditions that must be met after the use case is completed successfully. These will be met if the main flow or alternative is allowed. Some exceptions may result in failure to meet the Post-conditions.
6. Main flow (Required)
The most common path of interactions between the user & the system:
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