The latest data point for CMG's Return on Sales (ROS) in Q4'25 stands at 14.53%, reflecting a decline from the previous quarter's 16.55% and marking the lowest level in the observed period. Over the timeframe from Q1'23 to Q4'25, ROS has exhibited a volatile pattern with an overall downward trend, starting at 15.90% and peaking at 20.45% in Q2'24 before steadily eroding amid fluctuations; notable declines include a 3.12 percentage point drop from Q3'25 to Q4'25, underscoring potential pressures on profitability despite intermittent recoveries in earlier quarters like Q1'24 (17.05%) and Q2'25 (18.85%). This area chart highlights the instability in operational efficiency, with average quarterly ROS hovering around 16.8% but showing no sustained growth trajectory.