(B) Individual adjustments. The Board shall by order as provided in Subsection 10-2.7, make such individual adjustments, either upward or downward, of the maximum rents established by Subsection 10-2.4, or as adjusted pursuant to division (A) above, for any controlled housing accommodation as may be necessary to remove hardships or to correct other inequities, and in so doing, shall observe the principle of maintaining maximum rents for controlled housing accommodations which will yield to landlords a fair net operating income from such housing accommodations.
(C) Fair net operating income. In determining whether the maximum rent for a controlled housing accommodation yields a fair net operating income, the Board shall consider, without limitation, the following relevant factors:
(1) Increases or decreases in property taxes;
(2) Unavoidable increases or any decreases in operating and maintenance expenses;
(3) Capital improvement of the controlled housing accommodation;
(4) Increases or decreases in living space or housing services; and
(5) Substantial deterioration of the controlled housing accommodation, other than ordinary wear and tear, or failure to perform ordinary repair, replacement or maintenance.
(D) Rent adjustment schedule. For the purposes of adjusting rents under the provisions of division (B) above, the Board may promulgate a schedule of standard rental increases or decreases for improvement or deterioration of specific housing services.