In question number 8 under Financial evaluation. Its asking for minimum necessary income. Where can I get the answer? My family size is 7. In 2014 $81,355 2013 $80,153 2012 $77,879 . Do I have to sum up all these 3 then divide to 3 to get the answer in Question #8(minimum necessary income).. Please help its confusing for me. Thanks a lot