18. Given that co = R50 million, = R230 million, G = R300 million, c = , T = R100 million and YF = R3 000 million, the equilibrium level of output and income is ____ and in order to reach the full-employment level of income, government spending must increase by ____.

1. R2 320 million; R170 million

2. R2 020 million; R245 million

3. R2 020 million; R980 million

4. R2 720 million; R70 million