Refer to the Accompanying National Income Data (In Billions of
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$$\begin{array} { | r | l | r | } \hline 1 & \text { Consumption of Fixed Capital } & \$ 438 \\\hline 2 & \text { Taxes on Production and Imports } & 326 \\\hline 3 & \text { Compensation of Employees } & 2,347 \\\hline 4 & \text { Rents } & 14 \\\hline 5 & \text { Interest } & 287 \\\hline 6 & \text { Proprietors' Income } & 242 \\\hline 7 & \text { Corporate Profits } & 297 \\\hline 8 & \text { Personal Consumption Expenditures } & 2,582 \\\hline 9 & \text { Gross Private Domestic Investment } & 669 \\\hline 10 & \text { Government Purchases } & 815 \\\hline 11 & \text { Net Exports } & - 78 \\\hline 12 & \text { Net Foreign Factor Income } & 46 \\\hline 13 & \text { Statistical Discrepancy } & 50 \\\hline\end{array}$$ Refer to the accompanying national income data (in billions of dollars) . The national income in this economy can be estimated by adding items

A) 1 through 7.
B) 8 through 11.
C) 2 through 7.
D) 1 through 13.