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Marketing staff a lot of responsibilities.first as a marketing staff one needs to identify the market of his or her product,know you target group or potential consumer,know your competitors,know price of substitutes and complementary goods,know government policies in the market,know type of market just to mention but a few.
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Division of labour  is the process of breakdown of activities,duties and delegated responsibilities in stages,segments or even departments so as to achieve a common or desired goal withine the sho-rtes time or period.