Translate to German:

In a well-functioning economy, one would have expected the low cost of capital to be the basis of healthy growth.

German:

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 einer gut funktionierenden Volkswirtschaft sollte man erwarten, dass die niedrigen Kapitalkosten die Grundlage für ein gesundes Wachstum bieten.