A cylindrical drill with radius 
is used to bore a hole through the center of a sphere of radius 
Find the volume of the ring-shaped solid that remains.Round the answer to the nearest hundredth.
Definitions:
Contribution Margin
The amount by which sales revenue exceeds variable costs of production, indicating how much revenue contributes to fixed costs and profit.
Accounting Break-even
The point at which a company's revenues exactly cover its expenses, leading to a net income of zero.
Variable Costs
Costs that vary directly with the level of production or sales volume, such as raw materials and hourly labor.
Proposed Project
A plan or proposal for a course of action, especially in a business or scientific context.
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