These items represent a financial analysis for Charles Chocolate. In examining the ROA and the ROA breakdown, how can we interpret the profitability of Charles Chocolate?

ROA increased from $2010$ to $2011$ because profit margins improved.

ROA decreased from $2010$ to $2011$ because net profit margin declined.

ROA increased from $2010$ to $2011$ because asset turnover is increasing.

ROA decreased from $2010$ to $2011$ because total asset turnover is decreasing.