; and (ii) owners of affordable multifamily housing for low-income individuals living in rural areas that is assisted by a loan or grant under paragraph (1). (B) Amount of rent In providing rental assistance under subparagraph (A), the Secretary shall make assistance payments to the owners of housing described in that subparagraph in order to make available to low-income occupants of such housing rentals at rates commensurate to income and not exceeding the highest of— (i) 30 percent of adjusted income (as defined in section 3(b)(5) of the United States Housing Act of 1937 ( 42 U.S.C. 1437a(b)(5) ), except that the amount shall be calculated on a monthly basis); (ii) 10 percent of monthly income; or (iii) if the person or family is receiving payments for welfare assistance from a public agency, the portion (if any) of the payments that is specifically designated by the agency to meet the housing costs of the person or family. (C) Cap on rent increases The rent or contribution to rent paid by any recipient of assistance under this paragraph shall not increase as a result of this section or any other provision of Federal law or regulation by more than 10 percent during any 12-month period, unless the increase above 10 percent is attributable to increases in income that are unrelated to this subsection or the other provision of Federal law or regulation. (D) Amount of assistance The amount of an assistance payment made on behalf of a tenant under this paragraph shall be equal to the difference between— (i) the monthly contribution of the tenant, which shall be the applicable amount under subparagraph (B)