Advance Analysis Assume that the consumption schedule for a private open economy is such that consumption C=50+0.8 Y. Assume further that planned investment Ig and net exports Xn are independent of the level of real GDP and constant at Ig=30 and X=10 . Recall also that, in equilibrium the real output produced (Y) is equal to aggregate expenditures: Y=C+Ig+Xn A. Calculate the equilibrium level of income or real GDP for this economy.