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Explain why chromatic aberration is a problem for refracting mirrors but not reflecting mirrors.
Margin
The difference between the selling price of a product and the cost associated with producing it.
Margin
The difference between the selling price of a product or service and its cost, usually expressed as a percentage of the selling price.
Combined Return On Investment
A measure that evaluates the efficiency of an investment or compares the efficiency of several different investments.
Operating Data
Information related to the operations of a business, including production volumes, sales, and expenses, used for decision-making and performance evaluation.
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