(d)__If it holds a security interest in a deposit account perfected by control under section 9-1104, subsection (1), paragraph (a), may apply the balance of the deposit account to the obligation secured by the deposit account; and

(e)__If it holds a security interest in a deposit account perfected by control under section 9-1104, subsection (1), paragraph (c) or (d), may instruct the bank to pay the balance of the deposit account to or for the benefit of the secured party.

(2)__If necessary to enable a secured party to exercise under subsection (1), paragraph (c) the right of a debtor to enforce a mortgage nonjudicially, the secured party may record in the office in which a record of the mortgage is recorded:

(a)__A copy of the security agreement that creates or provides for a security interest in the obligation secured by the mortgage; and

(b)__The secured party's sworn affidavit in recordable form stating that:

(i)__A default has occurred; and

(ii)__The secured party is entitled to enforce the mortgage nonjudicially.

(3)__A secured party shall proceed in a commercially reasonable manner if the secured party:

(a)__Undertakes to collect from or enforce an obligation of an account debtor or other person obligated on collateral; and

(b)__Is entitled to charge back uncollected collateral or otherwise to full or limited recourse against the debtor or a secondary obligor.

(4)__A secured party may deduct from the collections made pursuant to subsection (3) reasonable expenses of collection and