2. A county's standards of eligibility for medical assistance must not deny eligibility to a person living in a household which has a total monthly income of less than: (a) For one person living without another member of a household, $438.(b) For two persons, $588.(c) For three or more persons, $588 plus $150 for each person in the family in excess of two.For the purposes of this subsection, "income" includes the entire income of a household and the amount which a county projects a person or household is able to earn. "Household" is limited to a person and the spouse, parents, children, brothers and sisters residing with the person.