5. (5 points) Suppose that there are three employees in the computer support group of the School of Engineering of a large university. Each employee will be assigned to support one of four different areas: hardware, software, networking, and wireless. Suppose that Ping is qualified to support hardware; Quiggley is qualified to support hardware; Ruiz is qualified to support networking and wireless; Sanchez is qualified to support software. Use a bipartite graph to model the four employees and their qualifications