Four children (11f, 9f, 5m, 3f). The older two are independent and just need an adult in the house for emergencies. The younger two need stimulation, activities, time in, and a referee. Diagnosed ADHD in the two older girls. The children are going through a changing family situation and need sitting one or two weeknights per week. How much for 4 children for 4 hours or less, twice a week?