What is an example of a serious complaint or a complaint that involves a breach of the rules or the law? a) a client complains because of the poor performance of their investment portfolio b) where a financial advisor fails to change the incorrect mailing address on a client's profile c) a financial advisor who is compensated by commission, encourages a client to redeem the investments and repurchase a similar investment on an annua basis d) a client receives poor service from the administrative assistant of their financial advisor