The account balances of Camus PLC as at 31 December 2019, are presented below. 1. Non-current assets 840 2. Current liabilities 900 3. Current assets 1,700 4. Share capital 540 5. Non-current liabilities 1,440 6. Reserves 1,620 What is the gearing ratio? E A 20% 28% 40% 50%