-The Data in the Above Table Indicate That the Slope

$$\begin{array} { | l | l | } \hline \begin{array} { l } \text { Real GDP } \\\text { (trillions of 2005 } \\\text { dollars) }\end{array} & \begin{array} { l } \text { A ggregate } \\\text { expenditure } \\\text { (trillions of 2005 } \\\text { dollars) }\end{array} \\\hline 0 & 0.3 \\\hline 1.0 & 1.2 \\\hline 2.0 & 2.1 \\\hline 3.0 & 3.0 \\\hline 4.0 & 3.9 \\\hline 5.0 & 4.8 \\\hline\end{array}$$
-The data in the above table indicate that the slope of the AE curve is

A) 0.30.
B) 0.90.
C) 0.50.
D) None of the above answers are correct.