Oi SA Pre-Tax Profit Margin 2010-2021 | QIBRD

Oi SA pre-tax profit margin from 2010 to 2021. Pre-tax profit margin can be defined as earnings before taxes as a portion of total revenue.

Oi SA Pre-Tax Profit Margin 2010-2021 | QIBRD

Oi SA pre-tax profit margin from 2010 to 2021. Pre-tax profit margin can be defined as earnings before taxes as a portion of total revenue.