The maximum credit for a family is the total of
1) the applicant's credit (DMG14039)
2) enhanced adult disability credit (DMG14048)
3) 30 hours credit (DMG14031)
4) child credits (DMG14013)
5) disabled child tax credit (DMG14047)
6) enhanced child disability credit (DMG14049)
7) partners, other than the first, in a polygamous marriage
(DMG14036)
8) childcare tax credit (DMG14045)
