How can a merchant$-$creditor perfect her security interest in consumer goods sold for a consumer's home$/$personal use? $q,$

All the answer choices are correct.

file a UCC $1$ with the state's secretary of state.

keep possession of the goods until the purchase price is paid in full.

do nothing. Perfection of the security interest in this scenario is usually automatic where this is a PMSI $($purchase money security interest$)$ and the goods do not have a certificate of title $($such as with a car$).$