QUESTION 7 5 points Save A Yesterday, you placed a limit buy order for six round lots DEF stock with a limit price of $30, which expires at the end of the day. At the time you created your order, DEF traded at $32.40. Over the course of the day, DEF traded between $31-$33.50. Which of the following could have occurred in this situation? O You purchased 600 shares of DEF yesterday for $30/share. You purchased 600 shares of DEF yesterday for $32.40/share. You purchased 600 shares of DEF yesterday for $33.50/share. You purchased 600 shares of DEF yesterday for $31/share. None of the above