Credit risk FI

CFA Level I
#1

Which of the following choices properly ranks ratings from the three major credit rating agencies from the lowest to highest credit risk?

  1. B1, Ba2, Baa3
  2. BBB+, Ba3, B–
  3. Baa1, BB, Baa3

ANSWER: 2, How?
they asked for lowest to highest

#2

I think “1” as moody’s