(Advanced analysis)Answer the question on the basis of the following information for a mixed open economy.The letters Y,C_a,I_g,X_n,G,and T stand for GDP,consumption,gross investment,net exports,government purchases,and net taxes respectively.Figures are in billions of dollars. $\begin{aligned} C _ { a } & = 25 + 0.75 ( Y - T ) \ I _ { g } & = I _ { g 0 } = 50 \ X _ { n } & = X _ { n 0 } = 10 \ G & = G _ { 0 } = 70 \ T & = T _ { 0 } = 30 \end{aligned}$ Refer to the information.If government desired to raise the equilibrium GDP to $650,it could: A) raise G by $45 and reduce T by $10. B) raise G by $40 and reduce T by $30. C) raise G by $30 or reduce T by $40. D) raise both G and T by $40.

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The Answer of (Advanced analysis)Answer the question on the basis of the following information for a mixed open economy.The letters Y,C_a,I_g,X_n,G,and T stand for GDP,consumption,gross investment,net exports,government purchases,and net taxes respectively.Figures are in billions of dollars. $\begin{aligned} C _ { a } & = 25 + 0.75 ( Y - T ) \ I _ { g } & = I _ { g 0 } = 50 \ X _ { n } & = X _ { n 0 } = 10 \ G & = G _ { 0 } = 70 \ T & = T _ { 0 } = 30 \end{aligned}$ Refer to the information.If government desired to raise the equilibrium GDP to $650,it could: A) raise G by $45 and reduce T by $10. B) raise G by $40 and reduce T by $30. C) raise G by $30 or reduce T by $40. D) raise both G and T by $40.

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