• MTU Aero Engines AG average return on assets for 2015 was 4.04, a 3.35% increase from 2014.
• MTU Aero Engines AG average return on assets for 2014 was 4.18, a 23.3% decline from 2013.
• MTU Aero Engines AG average return on assets for 2013 was 3.39, a 24.5% increase from 2012.

Roa - return on assets can be defined as an indicator of how profitable a company is relative to its total assets. Calculated by dividing a company's operating earnings by its total assets.