"Once a family is determined eligible for HUD assistance and is selected to receive assistance, the rent they pay is generally based on 30% of their adjusted income."
https://www.lowincomehousing.us/CA/los_angeles.html <- - - (LA 근교)
http://www.koreadaily.com/news/read.asp?art_id=8874207 <- - - 링크 참조하세요.