Campus Credit Union has 5 representatives, 2 of them specialized in business customers and 3 of them specialized in personal customers. On average, each business customer takes 15 minutes, and each personal customer takes 12 minutes to finish the service. During the 4-5pm rush hour, 10 business customers and 10 personal customers show up. a) Does Campus Credit Union have enough capacity during the rush hour? b) If Campus Credit Union cross-trains the representatives so that all of them can handle both the business and personal customers, will it have enough capacity during the rush hour? c) Campus Credit Union is unable to cross-train all representatives, but can cross-train one of the representatives originally specialized in business customers. Should Campus Credit Union pursue this opportunity? d) Campus Credit Union is unable to cross-train all representatives, but can cross-train one of the representatives originally specialized in personal customers. Should Campus Credit Union pursue this opportunity?