Which of the following is an example of commingling?

When Sly has his client pay for a stock purchase by making the check out to Sly himself, he has

engaged in the prohibited practice of commingling. Ms. Fox is also engaged in a prohibited practice,

but she is engaged in making unauthorized transactions. Mr. Hawk is doing nothing wrong. It is

typical for clients to leave securities on deposit with their broker-dealers in what is called “street

name.” This makes it easier for the client to sell the securities later on since he physically will not

have to deliver the securities to the broker, for one thing.