MATTHEWS, N.C. ( TheStreet) - Family Dollar ( FDO) said fourth-quarter comparable-store sales rose 6.1% while total sales jumped 8% to $1.96 billion. The discount retailer, in a statement Thursday, said sales were strongest during the quarter in its consumables category. Fiscal-year same-store sales rose 4.8%, while total sales gained 6.3% to $7.87 billion. "In fiscal 2010, we enhanced our assortment, worked to make our stores easier to shop, and expanded our operating hours to provide our customers with more convenience," said Chairman and CEO Howard Levine, in a statement. "These investments have delivered solid results and position us well for continued growth in fiscal 2011." -- Written by Joseph Woelfel >To contact the writer of this article, click here: Joseph Woelfel >To submit a news tip, send an email to: email@example.com.