DAR ES SALAAM, May 6( Xinhua)--The East African Community( EAC) finance and trade ministers on Thursday adopted 35 percent as the 4th band of the EAC common external tariff( CET), the regional bloc said in a statement on Friday. The statement issued by the EAC headquarters in Tanzania's northern city of Arusha said the ministers made the decision during a retreat on the comprehensive review of the CET held on Thursday in the Kenyan coastal city of Mombasa. According to the statement, the ministe