What does the term "reduction in fees" refer to?

The term "reduction in fees" refers specifically to a decrease in the amount that is charged for services or products. In this context, the correct response is "Herabsetzung der Gebühren," which translates directly from German to "reduction in fees." This term encapsulates the concept of lowering the costs associated with a service, making it clear and accurate to describe the action of reducing fees.

The other options do not appropriately match the definition of "reduction in fees." For example, "increasing costs" would be the opposite of a reduction, as it implies that prices are going up rather than down. "Decreasing expenses" could be related but does not specifically address the concept of fees. Lastly, "maintaining current fees" suggests no change occurs, which is contrary to the idea of a reduction. Thus, the selection of "Herabsetzung der Gebühren" is the most precise and applicable option reflecting the intended meaning of the term.