Consider the "goods market" of an economy, described by the following equations: C = 40+ 0.6YD Ī = 100 G = 200 ΤΑ 200 where C represents consumption spending; YD is disposable income, I is investment spending; G is government spending; TA is a tax. A common label for a tax that is a fixed exogenous value is a "lump sum" tax (a) Calculate the value of autonomous spending.