Question: Suppose that A is the multiset that has as its elements the types of computer equipment needed by one department of a university and the multiplicities are the number of pieces of each type needed, and B is the analogous multiset for a second department of the university. For instance, A could be the multiset {107·personal computers, 44· routers, 6 · servers} and B could be the multiset {14·personal computers, 6·routers, 2· mainframes}.