Cost Accumulated
depreciation
  Net
book value
 
    Rm Rm   Rm  
4. PLANT AND EQUIPMENT          
  2018          
  Equipment and furniture 24 20   4  
    24 20   4  
  2017          
  Equipment and furniture 24 19   5  
    24 19   5  
    Equipment 
and furniture 
 
    Rm   
  Movement of net book value of plant and equipment    
  2018    
  Net balance at 1 October 2017  
  Additions    
     
  Depreciation (1)  
  Net balance at 30 September 2018