# Custom reports problem

**URL:** <https://forum.manager.io/t/custom-reports-problem/60259>\
**Category:** Uncategorized\
**Created:** [February 4, 2025, 7:38am UTC](https://forum.manager.io/t/custom-reports-problem/60259 "2025-02-04T07:38:52Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![lubos](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.manager.io/lubos/32/62798_2.png) [@lubos](https://forum.manager.io/u/lubos)\
**Post date:** [February 6, 2025, 6:48am UTC](https://forum.manager.io/t/custom-reports-problem/60259/5 "2025-02-06T06:48:40Z")

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This is the same as this topic which is now in `ideas`.

> [@Profit for each invoice and customer](https://forum.manager.io/t/profit-for-each-invoice-and-customer/59594):
>
> With recent changes to inventory and cost of sales, can somebody please guide me on how I can calculate the gross margin for each and every invoice and by customer? Earlier, I developed custom report and was also able to generate this from the breakdown of sales and cost of sales reports from general ledger. This helps us in analyzing negative margin deals (invoices) and distinguishing between profit making and loss making customers.

I will make it so inventory profit margin report will be possible per invoice, per customer, per inventory item etc.

This would be better approach than using custom report route.

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_[View the full topic](https://forum.manager.io/t/custom-reports-problem/60259)._