How is "Listen, you saw what happened at the bookstore this morning, and I found another body down at the beach." said in Czech?

In Czech: Poslyš, viděli jste, co se ráno stalo v knihkupectví. A další tělo jsem našel dole na pláži.


How is "In the book." said in Czech?

In Czech: Do knihy.


How is "All the prices are fixed at about cost." said in Czech?

In Czech: Ceny jsou stanovené podle přibližné hodnoty.


How is "You're gonna fit right in!" said in Czech?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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In Czech: Tak to sem zapadneš.