Question: how much child support do i owe washington state?
Answer: If Parent A contributes 60% of the combined income (or $600 per month), then this parent will pay 60% of the total child support, or $132 per month. Parent B, who makes 40% of the combined income (or $400), will pay only 40%, or $88 per month in child support. $1,000 is the lowest combined income on the schedule.