A dark cross in floor markets might occur when: a. Broker A has a customer order to buy 10,000 shares, and contacts broker B to see if he/she has a customer order to sell 10,000 shares of the same stock. b. Broker A has a customer order to buy 10,000 shares, and submits the order to a dark pool to be crossed with an order to sell 10,000 shares of the same stock. Oc. Broker A has a customer order to buy 10,000 shares, and also has a customer order to sell 10,000 shares of the same stock. O d. Broker A has a customer order to buy 10,000 shares, and submits the order to another exchange as a hidden order. QUESTION 19 In the book "Dark Pools", it is mentioned that Archipelago merged with: a. NYSE b. NASDAQ: C ISLAND. O d. None of the above