Table 3-3 -Refer to Table 3-3

Table 3-3
$\begin{array}{|l|c|c|c|c|}\hline&\text { Hours needed to make one unit of: }&&\text { Amount produced in } 2400 \text { hours: }\\\hline & \text { Cars } & \text { Aeroplanes } & \text { Cars } & \text { Aeroplanes } \\\hline \text { US } & 40 & 160 & 60 & 15 \\\hline \text { Europe } & 50 & 150 & 48 & 16 \\\hline\end{array}$
-Refer to Table 3-3.If the US and Europe trade according to the principle of comparative advantage, the US will export what product to Europe?

A) cars
B) both aeroplanes and cars
C) aeroplanes
D) the US should buy both products from Europe