initial service charges, appraisal, inspection, and other fees as the Secretary shall approve) in an amount (A) not to exceed (i) $31,000 (or $36,000, if the mortgagor???s family includes five or more persons) in the case of a property upon which there is located a dwelling designed principally for a single-family residence, (ii) $35,000 in the case of a property upon which there is located a dwel