A plan filed under this subchapter—
(1) shall include—
(C)
projections with respect to the ability of the debtor to make payments under the proposed plan of reorganization;
(3) notwithstanding section 1123(b)(5) of this title, may modify the rights of the holder of a claim secured only by a security interest in real property that is the principal residence of the debtor if the new value received in connection with the granting of the security interest was—