INSTRUCTION: Answer this question in your Economics Note Book which must be submitted for marking. 1. Given the following equations for a hypothetical economy in trillion Naira assuming taxes and savings do not exist: C = 100; I = 300; G = 250; X = 55 and M = 40. Calculate the aggregate demand for; a) a closed capitalist economy b) a closed mixed economy c) an open capitalist economy d) an open mixed economy