What will be my band for IPF- 3.9 C3A. 1)A 2) B 3)C

I got B with a 3.99 rating, it depends on your manager, do not listen to the other folks here

C - anything less than 4 and in 3.9 range is just to give u a C Band ..

How many percentages are they given?

C 100%

C