disposable income
(2) For purposes of this subsection, “disposable income” means income which is received by the debtor and which is not reasonably necessary to be expended— (A) for the maintenance or support of the debtor or a dependent of the debtor or for a domestic support obligation that first becomes payable after the date of the filing of the petition; or (B) for the payment of expenditures necessary for the continuation, preservation, and operation of the debtor’s business.