The Table Given Below Shows the Export and Import Values

The table given below shows the export and import values of automobiles, pharmaceuticals, and clothing in country A and country B. $$\begin{array} { | c | c | c | } \hline \text { Country A } & \text { Exports (\$billions) } & \text { Imports (\$billions) } \\\hline \text { Automobiles } & 20 & 40 \\\hline \text { Pharmaceuticals } & 30 & 30 \\\hline \text { Clothing } & 40 & 0 \\\hline\end{array}$$ $$\begin{array} { | c | c | c | } \hline \text { Country A } & \text { Exports (\$billions) } & \text { Imports (\$billions) } \\\hline \text { Automobiles } &0 & 20 \\\hline \text { Pharmaceuticals } & 40 & 40 \\\hline \text { Clothing } & 45 & 35 \\\hline\end{array}$$ The weighted-average of the intra-industry trade (IIT) shares in country A's trade in automobiles, pharmaceuticals and clothing is:

A) 0.625.
B) 0.875.
C) 0.4375.
D) 1.286.

Correct Answer:

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