· Plan, direct and evaluate the operations of the establishments engaged in wholesale and retail sales or of departments in such establishments · Manage staff and assign duties · Study market research and trends to determine consumer demand, potential sales volumes and effect of competitors' operations on sales · Determine merchandise and services to be sold, and implement price and credit policies · Locate, select and procure merchandise for resale · Develop and implement marketing strategies · Plan budgets and authorize expenditures · Resolve customer complaints · Determine staffing requirements and hire or oversee hiring of staff.