Not exactly--Nortel was looking at shedding the low-margin bottom of its optical-components business, saving the jazziest lines for itself.

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Should bonuses come off the top-line, bottom-line, be based on contribution margin, be subjectively or objectively distributed, be paid in cash, stock, options, profit sharing, perks, or some other mechanism?

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None is a true bottom-line margin that relates profits to sales after deducting all costs, including the opportunity cost of equity capital.

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It may not be long before the Nook business begins contributing to the bottom line, thanks to high-margin book downloads.

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Continued ETF liquidation and margin call selling makes it difficult to see a bottom in the near-term.

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If the retailer's overall costs--such as labor, shipping, marketing and other products--remain static, that extra penny of margin can flow to the bottom line.

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The default screen page is monopolized entirely by the text, with no title on the top and no page on the bottom -- though numbers do sometimes appear in incredibly small font in the right margin.

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