1.11 The intervention by the South African government is that of: (4 marks) a) Market participation. b) Regulation. c) Government spending. d) Public provision of goods and services. 1.12 Study the following diagram and answer the question that follows. 3500 3000 2500 2000 (billions of dollars per year) Expenditures 1500 1600 500 500 . 1460 1509 2060 2500 3003 5390 Income (billions of dollars per year) Figure 9 1 At an income level of $2,000 billion. (4 marks a) Consumption equals $1,500 billion. b) Saving equals SO c) The MPC equals 0.80. d) There is dissaving