• Kroger average net profit margin for 2011-10-31 was 0%, a 0% decline from 2012-01-31.
• Kroger average net profit margin for 2012-01-31 was 0%, a 0% decline from 2012-04-30.
• Kroger average net profit margin for 2012-04-30 was 0%, a 0% decline from 2012-07-31.

Net profit margin can be defined as net Income as a portion of total sales revenue.