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Going concern - Financial performance during the year (Details) R in Millions |  | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 01, 2020 | Dec. 31, 2020 ZAR (R) kT | Dec. 31, 2019 ZAR (R) | Jun. 30, 2020 ZAR (R)
Going concern |  |  |  |  |
Gearing ratio |  |  | 76.00% |  | 114.50%
Net debt to EBITDA |  |  | 2.6 |  | 4.3
Net debt to EBITDA under the debt covenant |  |  | 4.0 |  |
Profit (loss) | [1] |  | R 15,288 | R 4,506 | R (91,272)
Gain from translation of monetary assets and liabilities |  |  | R 4,619 | R (227) | R (6,542)
Strengthening of closing rand/US dollar exchange rate |  |  | 15.00% |  |
Gain (loss) on valuation of financial instruments and derivative contracts |  |  | R 5,000 |  |
Gain on reclassification of the foreign currency translation reserve |  |  | R 3,300 |  |
Lake Charles Chemicals Project |  |  |  |  |
Going concern |  |  |  |  |
Production loss | kT |  |  | (300) |  |
Base Chemicals | Lake Charles Chemicals Project |  |  |  |  |
Going concern |  |  |  |  |
Gain on reclassification of the foreign currency translation reserve |  |  | R 3,100 |  |
Proportion of equity interest disposed of |  | 50.00% | 50.00% |  |
[1] | Earnings increased by more than 100% to R15.3 billion from R4.5 billion in the prior period. These results were underpinned by a strong cash cost and working capital performance in response to the challenging environment, as well as the gains of R4.6 billion on the translation of monetary assets and liabilities and gains of R5.0 billion on the valuation of financial instruments and derivative contracts due to a 15% strengthening of the closing rand/US dollar exchange rate compared to June 2020; and R3.3 billion gain on the reclassification of the foreign currency translation reserve (FCTR), mainly on the divestment of 50% interest in the US LCCP Base Chemicals business. Remeasurement items in the prior year included the impairment of R72.6 billion (US$4.2 billion) of our Base Chemicals portfolio within Sasol Chemicals USA which have been classified as disposal groups held for sale at 30 June 2020 and impaired to its fair value less cost to sell, the impairment of the Synfuels liquid fuels refinery and Sasolburg liquid fuels refinery CGUs of R3.8 billion and R8.6 billion respectively, our Base Chemicals foundation business in the Southern African value chain of R18.1 billion and our South African wax business and Eurasian wax businesses of R4.6 billion and R2.8 billion respectively.

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