Final answer:
Elena's work handling product testing for a company based in Germany is an example of outsourcing, which companies use to reduce costs by contracting business activities to other businesses.
Step-by-step explanation:
The work that Elena does for a company based in Germany, handling product testing, is an example of outsourcing.
Outsourcing is when a company contracts out some business activities to other businesses in order to reduce costs. In this case, the German company is using Elena's company to handle their product testing instead of doing it themselves.