Answer
a) Benefits principle
b) Ability to pay principle
c) Benefits principle
Work Step by Step
a) The visitors pay an entry fee, similar to those paid for entrance to an amusement park. This means the national park is similar to an amusement park.
b) The real estate taxes paid are an equal sacrifice to all real estate owners. The ability to pay principle states taxes should be levied on someone's ability to pay.
c) The tax collected is to improve the facilities used by the airplanes, so people pay for the benefits they receive.