Your results should include the trip id, user id, trip length and trip cost. There are at least two ways to do this problem. We prefer the method with the subquery and/or join. Compute the length of each trip first, and then compute the cost. Order the results by trip id in ascending order. Also, submit the top 10 rows of your output, without any special ordering.

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the answer is b. executive summary. a management summary, or executive summary, is a short article or section of a document, produced for business purposes, that condenses a longer report or proposal or a group of related reports in such a way that readers can rapidly become familiar with a large body of material without having to read it all.