S.C. Code Ann. § 36-9-324
(b) Subject to subsection (c) and except as otherwise provided in subsection (g), a perfected purchase-money security interest in inventory has priority over a conflicting security interest in the same inventory, has priority over a conflicting security interest in chattel paper or an instrument constituting proceeds of the inventory and in proceeds of the chattel paper, if so provided in Section 36-9-330, and, except as otherwise provided in Section 36-9-327, also has priority in identifiable cash proceeds of the inventory to the extent the identifiable cash proceeds are received on or before the delivery of the inventory to a buyer, if:
(c) Subsections (b)(2) through (4) apply only if the holder of the conflicting security interest had filed a financing statement covering the same types of inventory:
(d) Subject to subsection (e) and except as otherwise provided in subsection (g), a perfected purchase-money security interest in livestock that are farm products has priority over a conflicting security interest in the same livestock, and, except as otherwise provided in Section 36-9-327, a perfected security interest in their identifiable proceeds and identifiable products in their unmanufactured states also has priority, if:
(e) Subsections (d)(2) through (4) apply only if the holder of the conflicting security interest had filed a financing statement covering the same types of livestock:
(g) If more than one security interest qualifies for priority in the same collateral under subsection (a), (b), (d), or (f):