Answer the following questions, which relate to the aggregate expenditures m… Show more Please show all work: Answer the following questions, which relate to the aggregate expenditures model: a. If Ca is $100, Ig is $50, Xn is -$10 , and G is $30, what is the economy’s equilibrium GDP? b If real GDP in an economy is currently $200, Ca is $100, I g is $50, Xn is -$10 , and G is $30, will the economy’s real GDP rise, fall, or stay the same? C. Suppose that full-employment (and full-capacity) output in an economy is $200. If Ca is $150, lg is $50, Xn is -$10, and G is $30, what will be the macroeconomic result? • Show less