# How to add costs to products

**URL:** <https://www.dolibarr.org/forum/t/how-to-add-costs-to-products/16819>\
**Category:** Using my Dolibarr\
**Created:** [August 12, 2018, 9:06pm UTC](https://www.dolibarr.org/forum/t/how-to-add-costs-to-products/16819 "2018-08-12T21:06:41Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![Niwar](https://www.dolibarr.org/forum/letter_avatar_proxy/v4/letter/n/3ab097/32.png) [@Niwar](https://www.dolibarr.org/forum/u/Niwar)\
**Post date:** [April 5, 2022, 4:59pm UTC](https://www.dolibarr.org/forum/t/how-to-add-costs-to-products/16819/7 "2022-04-05T16:59:31Z")

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Please check this post:

> [@Product purchase and sale price](https://www.dolibarr.org/forum/t/product-purchase-and-sale-price/22019):
>
> Hi, How can I put a percentage on the purchase price and make it available in the sale price? Ex. “product x” purchase value U$D 100.00 and I have to put a percentage of 15% (freight expenses/commission, etc) on the U$D 100.00 and U$D 115.00 appears as the sale price. Thanks

BTW, I haven’t tried PRODUCT\_CHARGES. I’m using ver 14. I will check if that would work.

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