Answer:
10.36 %
Explanation:
given,
It is reported that there is increase in revenue of international flight from $528 million in 1986 to $5,100 million in 2009.
to calculate the geometric mean annual percentage
= 
= 1 - 1.1036
= 0.1036 = 10.36 %
hence, the geometric mean annual percentage increase in international passenger revenues is 10.36%
I think it’s B sorry if I’m wrong
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