How can you maintain a Sales office and Sales group in the System? | SAP-SD

i.    Navigate the following IMG menu path in the SD module to define a Sales office:
=>    Customizing Implementation Guide (IMG Menu)->Enterprise Structure->Definition->Sales and Distribution ->Maintain Sales Office
ii.    Navigate the following menu path in the SD module to define a Sales group:
=>    Customizing Implementation Guide (IMG Menu)-> Enterprise Structure->Definition->Sales and Distribution->Maintain Sales Group.