Extended dupont ROE formula in L2?

CFA Level II
#1

do we need to know the extended dupont ROE formula in L2? Or just the Net profit margin x Asset turnover x A/E will do?

Thanks.

#2

i don’t recall it tested directly, but either R21 or R22 (one the last two in FRA) assumes knowledge of it and asks questions where knowing it is helpful or critical.

#3

Probably not extended. You’ll want to have 3-stage DuPont in your head somewhere though for working on questions related to ROE.