How did PwC violate SEC rule $2-02($b$)$ of Regulation S$-$X and PCAOB Rule $3525$ in $2014?$

Multiple Choice

$00$:$54$:$19$

PwC managers sexually harassed new hires.

PwC mischaracterized nonaudit services as part of the audit engagement.

PwC audit partners had personal relationships with client management.

PwC provided Merger and acquisition services for an audit client.