The Table Given Below Shows the Values of Different Components $\text { (Trillions of Dollars) }$

The table given below shows the values of different components of aggregate expenditure of an economy.The equilibrium level of gross domestic product (GDP) is _____.
?
Table 9.2
?
?
$\text { (Trillions of Dollars) }$
$\begin{array}{llccccccc}\text { Rea } & \text { Net } & \text { Disposab } & \text { Consumpti } & \text { Savin } & \text { Planned } & \text { Governme } & \text { Net } & \text { Planned } \\1 & \text { Taxe } & \text { le } & \text { on } & \text { g } & \text { Investme } & \text { nt } & \text { Export } & \text { Aggregate } \\\mathrm{GD} & \text { s } & \text { Income } & \text { (C) } & \text { (S) } & \text { nt } & \text { Purchases } & \text { s } & \text { Expenditures } \\\mathrm{P} & (\mathrm{NT}) & (\mathrm{Y}-\mathrm{NT}) & & & \text { (I) } & \text { (G) } & (\mathrm{X}- & \mathrm{C}+\mathrm{I}+\mathrm{G}+(\mathrm{X}- \\(\mathrm{Y}) & & & & & & & \text { M) } & \mathrm{M}) \\\hline 5.0 & 1.0 & 4.0 & 3.9 & 0.1 & 1.0 & 1.0 & -0.7 & 5.2 \\5.5 & 1.0 & 4.5 & 4.3 & 0.2 & 1.0 & 1.0 & -0.7 & 5.6 \\6.0 & 1.0 & 5.0 & 4.7 & 0.3 & 1.0 & 1.0 & -0.7 & 6.0 \\6.5 & 1.0 & 5.5 & 5.1 & 0.4 & 1.0 & 1.0 & -0.7 & 6.4 \\7.0 & 1.0 & 6.0 & 5.5 & 0.5 & 1.0 & 1.0 & -0.7 & 6.8\end{array}$

A) $5.0 trillion
B) $5.5 trillion
C) $6.0 trillion
D) $6.5 trillion
E) $7.0 trillion