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DECLARATIONI hereby declare that this dissertation is the result of my own originalwork and that no part of it has been presented for another degree inthis university or elsewhere.Candidate‟s Signature:................................................................Candidate‟s Name: Maame Ama Nyanfekua TandohDate: May, 2012I hereby declare that the preparation and presentation of thedissertation were supervised in accordance with the guidelines onsupervision of dissertation laid down by Ashesi University College.Supervisor‟s Signature:……………………………………………………………………..Supervisor‟s Name: Esi AnsahDate: May, 2012i