Oi SA Operating Margin 2010-2021 | QIBRD

Oi SA operating margin from 2010 to 2021. Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.

Oi SA Operating Margin 2010-2021 | QIBRD

Oi SA operating margin from 2010 to 2021. Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.