Suppose that A and B are sets, defined as follows. Find the union and intersection of A and B. Enter the elements of the sets in increasing order, separated by commas. If a set is the empty set, just enter DNE inside the braces given. A={1, 3, 7, 8, 9, 10) and B = {2, 3, 7, 8, 9} AUB={ AnB={ }