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C = 480 + 0.5YD I = 110 T = 70 G = 250 Solve for the following variables. a. Equilibrium GDP (Y) b. Disposable income (YD) C. Consumption spending (C) d. Compute private saving, public saving, and investment spending. e. Solve for equilibrium output. Compute total demand. Explain how it affects production. f. Assume that G is now equal to E300 billion. Solve for equilibrium output, consumption, and disposable income. Why do you think the government will decide to expand fiscal spending