Suppose That the Following Data Explain the Economic Activity in a Country

Suppose that the following data explain the economic activity in a country in the year 2010. $$\begin{array} { | c | c | } \hline \text { Component of Spending } & \begin{array} { c } \text { Value in billions } \\\text { of dollars }\end{array} \\\hline \text { Consumption } & 174 \\\hline \text { Business fixed and residential investment } & 40 \\\hline \text { Inventory stock at the end of } 1999 & 10 \\\hline \text { Inventory stock at the end of } 2000 & 15 \\\hline \text { Depreciation } & 18 \\\hline \text { Govemment outlays } & 90 \\\hline \text { Government purchases } & 75 \\\hline \text { Total government tax receipts } & 100 \\\hline \text { Exports } & 21 \\\hline \text { Imports } & 30 \\\hline \text { Labor income } & 150 \\\hline \text { Capital Income } & 90 \\\hline \text { Net income of foreigners } & 10 \\\hline \text { Sales taxes } & 30 \\\hline\end{array}$$ Given these data, calculate the following:
(A) Inventary investinent
(B) Net erants
(C) Gross domestic product
(D) Statistical discrepancy
(E) Netionel secㅏㅁㅏ
(F) Gaverment serin
(G) Verify that national saring equuals investment plus net exgorts