Education

are you eligible for AOTC?  (if your joint income exceeds $160,000 the benefit begins to phase out and is gone at $180,000). 

 

that simplifies @Hal_Al 's explanation if not. 

 

But that credit is quite valuable but need to be carefull with the math.  It might result in paying a small amount of tax on the Box 2 earnings on the 1099Q, but that is well worth it to secure the AOTC benefit.