(b) Requirements for redemption. To redeem collateral, a person shall tender:

1. (1) fulfillment of all obligations secured by the collateral; and
2. (2) the reasonable expenses and attorney's fees described in Section 9–615(a)(1).

(c) When redemption may occur. A redemption may occur at any time before a secured party:

1. (1) has collected collateral under Section 9–607;
2. (2) has disposed of collateral or entered into a contract for its disposition under Section 9–610; or
3. (3) has accepted collateral in full or partial satisfaction of the obligation it secures under Section 9–622.