Table 3 shows data for an economy. All data are in billions of Ringgit Malaysia (RM). Table 3 Real GDP Consumptio Planned Government Net Exports n Investment Purchases (NX) (9) (Ip) (G) 0 800 1,000 1,400 -200 2,500 2,300 1,000 1.400 -200 5,000 3,800 1,000 1,400 -200 7,500 5,300 1,000 1,400 -200 10,000 6,800 1,000 1,400 -200 (a) Draw the corresponding aggregate expenditures curve and include the 45- degree line. (4 marks) (b) What is the y-intercept of the aggregate expenditure (AE) curve? Find the value of its slope. (4 marks) (c) Find the equilibrium level of real GDP. (2 marks)