AT&T; and Computer Sciences Corp. announced they...

AT&T; and Computer Sciences Corp. announced they will team up to bid for a $4.5-billion contract to provide the federal government with a private telecommunications network . . . Bank of America announced it has completed the sale of BankAmerica Finance Ltd. to Bank of Ireland . . . Heublein Inc., a subsidiary of Grand Metropolitan PLC, London, announced that it has completed its acquisition of certain assets of Almaden Vineyard Inc. of San Jose from National Distillers & Chemical Corp.