Foto: "<a href="https://ccnull.de/foto/recession-text-in-notebook-with-calculator-on-colorful-background/1029078" target="_blank">Recession text in notebook with calculator on colorful background</a>" von <a href="https://ccnull.de/fotograf/marco-verch" target="_blank">Marco Verch</a> via <a href="https://ccnull.de" target="_blank">ccnull.de</a> - <a href="https://www.flickr.com/photos/160866001@N07/49949152562/" target="_blank">Bildquelle</a>, <a href="https://creativecommons.org/licenses/by/2.0/de/" target="_blank">CC-BY 2.0</a>