December 2020   December 2019
Rm   (Reviewed)   (Audited)
         
Operating cash before working capital movements     4,559.5     4,296.8
Working capital movements     (187.9)     (82.0)
Cash generated from operations     4,371.6     4,214.8
Taxation paid     (105.9)     (191.1)
Net interest paid     (1,707.0)     (1,714.7)
Dividends received       20.0
Dividends paid     (39.9)     (162.4)
Cash inflow from operating activities     2,518.8     2,166.6
         
Investment to maintain operations     (269.9)     (580.3)
Investment to expand operations     (764.2)     (791.5)
Investment in subsidiaries     (0.2)  
Proceeds on disposal of property, plant and equipment     19.4     7.9
Proceeds on disposal of assets classified as held for sale       41.3
Proceeds on disposal of intangible assets     2.0  
Other net investing activities     7.5     11.3
Cash outflow from investing activities     (1,005.4)     (1,311.3)
         
Interest-bearing borrowings and debt facilities raised     7,544.2     600.0
Interest-bearing borrowings and debt facilities repaid     (5,288.3)     (1,062.2)
Lease liabilities repaid     (1,537.9)     (1,551.2)
Cash inflow arising from other non-current liabilities     26.3  
Net acquisition of treasury shares     (66.2)     (48.4)
Cash inflow/(outflow) from financing activities     678.1     (2,061.8)
         
Net increase/(decrease) in cash and cash equivalents     2,191.5     (1,206.5)
Foreign exchange movements on cash and cash equivalents     (88.2)     (12.7)
Opening cash and cash equivalents     1,150.6     2,369.8
Closing cash and cash equivalents     3,253.9     1,150.6