When a firm charges a low price for a basic service and higher prices for extra usage or premium features, it is using:

Explanation

* Two-Part Pricing breaks the price into a fixed fee plus a variable usage rate (e.g., amusement park entry plus ride tokens, or mobile plan base fee plus extra data).
* In service industries, fixed fees cover overhead while variable fees generate usage profits.
* It balances entry accessibility with revenue maximization.