from odoo import fields, models

class ResConfigSettings(models.TransientModel):
    _inherit = 'res.config.settings'

    pos_discount_100_income_account_id = fields.Many2one(
        related='pos_config_id.discount_100_income_account_id',
        readonly=False,
    )
    pos_discount_100_expense_account_id = fields.Many2one(
        related='pos_config_id.discount_100_expense_account_id',
        readonly=False,
    )