The following rules govern priority among conflicting security interests in the same deposit account:
(1) A security interest held by a secured party having control of the deposit account under s. 679.1041 has priority over a conflicting security interest held by a secured party that does not have control.
(2) Except as otherwise provided in subsections (3) and (4), security interests perfected by control under s. 679.3141 rank according to priority in time of obtaining control.
(3) Except as otherwise provided in subsection (4), a security interest held by the bank with which the deposit account is maintained has priority over a conflicting security interest held by another secured party.
(4) A security interest perfected by control under s. 679.1041(1)(c) has priority over a security interest held by the bank with which the deposit account is maintained.