A freelance computer consultant keeps a database of her clients, which contains the names S = {Aces, Bakers, Crafts, Dion, Energy, Flavour, Globe, Hilbert}. The following clients owe her money: A = {Aces, Crafts, Energy, Globe}. The following clients have done at least $1,000 worth of business with her: B = {Aces, Bakers, Crafts, Dion}. The following clients have employed her in the last year: C = {Aces, Crafts, Dion, Energy, Globe, Hilbert}. A subset of clients is described that the consultant could find using her database. HINT [See Example 4.] The clients who owe her money and have done at least $1,000 worth of business with her. Write the subset in terms of A , B , and C and list the clients in the subset