dumb calc q if anyone has CFAI book 5 handy

pimpineasy

reading 36 alts, Q # 12B... how are they calc'ing the 0.6133% number? i'm sure it's easy... just not wanting to bang out #'s trying to figure it out when this book has a billion other EOC's i need to do. thx in advance for the simple math help.

Windjammer

boom goes the dynomite. thanks CP. hope your studying is going well.