In this chapter, "administrative expense" means:
(1) an expense designated as an administrative expense by Subchapter C or D;
(2) court costs and expenses of operation and liquidation of a bank estate;
(3) wages owed to an employee of a bank for services rendered within three months before the date the bank was closed for liquidation and not exceeding:
(A) $2,000 to each employee; or
(B) another amount set by rules adopted under this subtitle;
(4) current wages owed to a bank employee whose services are retained by the receiver for services rendered after the date the bank is closed for liquidation;
(5) an unpaid expense of supervision or conservatorship of the bank before its closing for liquidation; and
(6) any unpaid fees or assessments owed to the department.