What Is The Largest Expense Component For Rio Tinto And How Is It Expected To Move Going Forward?

Rio Tinto (NYSE: RIO) expenses have trended steadily lower from around $29.0 billion in 2016 to about $26.6 billion in 2018. As a percentage of revenues, expenses have decreased from 86% in 2016 to 66% in 2018. Company's expenses are largely driven by net operating cost, which includes cost ...