Sales Increased 5.0% to $5.64 Billion  Enterprise Same-Store Sales Increased 1.2%  Same-Store Sales by Segment: Dollar Tree +2.3%, Family Dollar +0.2%  Diluted Earnings per Share Increased 40.2% to $1.36 vs. $0.97  Earnings Include Expenses of $0.03 per Share for Debt Prepayment  CHESAPEAKE, Va., 2017-Mar-07 — /EPR Retail News/ — Dollar Tree, Inc.…