Odoo Addons (MOVED TO GITHUB)

POS tax included

Bug #710334 reported by filsys
16
This bug affects 3 people
Affects Status Importance Assigned to Milestone
Odoo Addons (MOVED TO GITHUB)
Confirmed
Wishlist
OpenERP R&D Addons Team 3

Bug Description

About POS:
1. In POS is usual price with tax included. So point_of_sale need imrovement to tax_included.
2. About discount: I can use discount in % or price_ded as amount. If I use price_ded, then this amount must use in calculate subtotal and amount total, not to recalculte with discount % (that induce errors).
If i sell 75 units of product 1 with price_unit=2.30 and price_ded=0.30, then subtotal must be 150.00 exactly.
But, with your amount_all discount is 13.039999999999999% and with this subtotal is 150.01, that is wrong.
This error afect acount moves generated from pos in cash statment that must be very precisely.

DBR (OpenERP) (dbr-openerp)
Changed in openobject-addons:
assignee: nobody → OpenERP R&D Addons Team 3 (openerp-dev-addons3)
importance: Undecided → Low
status: New → Confirmed
Meera Trambadia (OpenERP) (mtr-openerp)
Changed in openobject-addons:
status: Confirmed → In Progress
Meera Trambadia (OpenERP) (mtr-openerp)
Changed in openobject-addons:
status: In Progress → Confirmed
Revision history for this message
Mustufa Rangwala (Open ERP) (mra-tinyerp) wrote :

Hello Filsys,

This problem specific to point of sale but also appear in sale order. So it is rounding issue.

I keep open this bug for now and move it to wishlist.

Thank you,
mra

Changed in openobject-addons:
importance: Low → Wishlist
Revision history for this message
filsys (office-filsystem) wrote :

Yes, in point_of_sale.py is a rounding issue.
But, in my opinion, price/tax calculation is a method issue.
Please consider that if I set a price for product P1 at 124 EUR with tax included and if I sell 1 unit, then on invoice and on pos receipt the customer need to read total including tax= 124, whatever tax.
The method for tax calculation for price with tax included is:
'tax' = 'price with tax' * 'tax%' / (100+'tax%')
and 'price without tax' = 'price with tax' - 'tax'.
The method for tax calculation for price without tax included is:
'tax' = 'price without tax' * 'tax%' / 100
and 'price with tax' = 'price without tax' + 'tax'.
I think that this discution is open also in another post but I don't remember where.
Thanks.

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