rever placed a limit order to sell 300 shares of stock at $20 a share. Which of the following does Trevor know for sure?\ \ I. Hir oder will execute but the time of the execution is unknown\ \ II. His order may never be executed. \ \ III. He will receive exactly 6,000 if his order is executed. \ \ IV. He could receive more, but not less, than $20 per share. \ \ \ \ Group of answer choices\ \ I and III only.\ \ I and IV only.\ \ II and III only\ \ II and IV only.\ \ II only