In light of the recent inquiry Parliament in considering breaking up the Big 4. Here's all the ways that could happen.
D
.
EY
E Y
.
PWC
P WC
PC W
PW C
P W C
.
KPMG
K PMG
KMG P
KPG M
KPM G
KP MG
KM PG
KG PM
KP M G
KM P G
KG P M
K G PM
K M PG
K P MG
K P M G