The letters Y, C, S, and I represent GDP, consumption, saving, and investment respectively. GDP (Y) Consumption (C) Investment (I) $0 $60 $30 5 100 120 40 200 180 50 300 240 60 400 300 70 500 360 80 A)Refer to the table above. The equation representing the investment schedule for the above economy is: A) I = 0.3Y. B) I = 80 -0.3Y. C) I = 30 + 0.1Y. D) I = I 0 = 30. B)Refer to the table above. The aggregate expenditure schedule in the above economy is: A) AE = 90 + 0.4Y. B) 90 + 0.7Y. C) 90 - 0.2Y. D) None of the above. C)Refer to the table above. The equilibrium level of real GDP in the above economy is: A) 225. B) 400. C) 300. D) 500