Final answer:
Private-sector firms are not affected by government surcharges and fees.
Step-by-step explanation:
The service that is not affected by government surcharges and fees is private-sector firms. Private-sector firms are not affected by government surcharges and fees. Unlike government agencies, private-sector firms are challenged by competitors, and citizens have the option to purchase services from other providers in the market.
For example, if you are unhappy with the quality or cost of a particular private-sector service, you can choose to switch to a different provider. This competition helps to keep private-sector firms accountable and incentivizes them to offer better services to attract customers.