BOS sends the "72", not the "85", to UAC.
But UAC does not merely add the "72" to calculate my ATAR... that "72" gets scaled to a different number.
My ATAR was 86.9 .... (My english raw of 55% dragged me down real hard).
I`m getting there, so your Atar was 86.9. From what i have learnt today...