2. Define the following sets: A={milk,coffee}B={bacon,ham}C={eggs,pancakes} List the elements of ABC. Note that elements of a cross product are ordered tuples. 3. Define the following sets: A={1,2,3}B={1,2} Recall that elements of the cross product of two sets are ordered pairs. a. Give one element of AB that is not in BA, or explain why no such element exists. b. Give one element of BA that are not in AB, or explain why no such element exists. c. How many elements are there in AB ? d. How many elements are there in BA ? e. Explain why AA is or is not a subset of AB