Basically, u can get child credit of $1000 if you have gross income of $110,000 or less. For child care benefit. You have $3000 ceiling for single child. So if you have >$3000 in your company's spending account. You get this amount tax free you do not get additional child care spending cridit. if less than $3000, say x, you can get credit of
0.2(or more depend on your income) * (3000-x) credit from IRS