A real estate agent has 4 homes for sale: A, B, C, and D. Here are the listing prices. Home A: $150,000 Home B: $250,000 Home C: $190,000 Home D: $550,000 The agent wants to randomly select 2 of the 4 homes to show in an open house this coming weekend. Which of the following gives a complete list of all possible samples of size 2 selected from this population of 4 homes without replacement?