Sara, a new business analyst is starting her work on a project in a bank. She wants to understand and document different business scenarios from a data perspective. Sara met with a few stakeholders and took the following notes: "There are multiple client managers servicing clients in the bank. Each client manager can serve multiple clients, but an individual client is serviced by only one client manager to provide personal service. When servicing clients, client managers usually perform 2 types of tasks: 1. they either make sales (internally called 'opportunities') or 2. resolve issues (that are internally called 'cases). When making a sale, only one client manager can work with this opportunity. Clients can be sold multiple bank services and each sale will have an independent 'opportunity' in their records. Unlike with the sale, multiple client managers can be involved in resolving an issue ('case') so that the issue can be resolved as fast as possible." Sara is building a data model for the given scenario. Which of the following can be the entities that will be included in the conceptual diagram? Select one or more: a. Opportunity Amount b. Client c. Bank Address O d. Client Manager O e. Service reason Of. Client ID O g. Case