The arm of the organisation that includes Elsevier had "revenue of £3.05bn, giving it an adjusted operating [profit] margin of 38.4 per cent."

To put that in context:

- Google's operating margin is 33.03%
- Apple's is 29.7%
- Exxon Mobil's is 14.61%
- Toyota's is 11.98%
- Amazon's is 6.53%

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