Dermot and Melony are married, file a joint tax return, and have an AGI of $ 120,000.

Their daughter Sissy, who qualifies as their dependent child is a senior at West University during the Fall of 2020.

In 2020, Dermot and Melony paid $15,000 to West University for Sissy's qualified tuition and fees.

They also paid $6,000 qualified tuition and fees to East University where Melony is finishing up her MBA.

Calculate the reduction tax credits that Dermot and Melony can take on their 2020 tax return.