(1) Except as otherwise provided in subsection (b), a security interest created by a debtor is subordinate to a security interest in the same collateral created by another person if: the debtor acquired the collateral subject to the security interest created by the other person;
(2) the security interest created by the other person was perfected when the debtor acquired the collateral; and
(3) there is no period thereafter when the security interest is unperfected.
(4) Subsection (a) subordinates a security interest only if the security interest: otherwise would have priority solely under § 4-9-322(a) or § 4-9-324; or