Aid may be paid to parents of a dependent child if the parents are unable to supply the needs of the child because of the unemployment of the parent, in a home in which both parents live, who earned the most income during the 24-month period immediately preceding the month for which aid is granted and who meets the federal requirements as to past employment and current unemployment. The department shall count up to 4 calendar quarters of full-time attendance at an elementary school, a secondary school, or a vocational or technical training course that satisfies the requirements under 42 USC 607 (d) (1) (B) toward the federal requirement as to past employment. Aid to dependent children of unemployed parents may be granted only if federal aid for this purpose is available to the state. No aid may be granted if the unemployed parent: 4.