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We need to create a Cash sales invoice, save it and recall it, with the ability to modify old invoices.
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User should be able to search items by [InvItemId], [ItemBarCode] and [InvItemName].
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User should be able to modify sales price “[InvItemSalesPrice]”.
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For simplicity, no unit of measurement conversion is required.
- there should be a screen for the user to be able to inquiry about:
- Total sales between dates: 1- Sales by item 2- Sales by dates