Kip opens an account at a Lotsa Goodies Store, and buys a digital music player and other items, but makes no payments on the account. To collect the debt, Mako, the manager, contacts Kip's parents. This violates

a. no federal law.

Explanation:

Federal law is the body of law created by the federal government of a country.

These laws are binding for all the members of the state (country).

The Federal laws are put in place ensure order and sanity is restored, maintain peace and forestall harmonious coexistence.

In the above illustration where Kip opens an account at a Lotsa Goodies Store, and buys a digital music player and other items, but makes no payments on the account. Hence promplting Mako, the manager, in order to collect the rent, to contacts Kip's parents.

This doesn't violate any federal law because it is not stated in any of the laws that you can't contact the parents or guardians of anyone who is owing you and have failed to pay up.

just don't strip down in public lol