Which of the following statements are true about "payment for order flow"? (Select all that apply; two of the answers below are correct.) Payment for order flow is a common practice used by many no-fee brokers such as Robinhood. Payment for order flow is a practice in which market makers pay retail brokers for their clients' order flow (ie, the right to execute client's trades). Payment for order flow is the term used for the commissions that we pay to place trades on a stock exchange- Payment for order flow has been banned in the US and is currently illegal