Overhead, Fixed/Variable cost

Hi
I have "overhead is 60% fixed manufacturing costs, 25% variable manufacturing costs, and 15% allocated general corporate overhead".
I want to find out break-even point.
So I know the variable overhead, which is 25% variable manufacturing costs? How much is exactly fixed overhead? Given, 60% fixed manufacturing costs - how about 15% allocated general corporate overhead - is this regarded as fixed as well ? Should I add these too together?
It is given total overhead as $9.
Thank you
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