In a Dynamics 365 Customer Engagement environment, a company has defined several security roles to manage access to its data. The roles include \"Sales Manager,\" \"Salesperson,\" and \"Customer Service Representative.\" Each role has specific privileges assigned, such as \"Read,\" \"Write,\" \"Append,\" and \"Delete\" for various entities like Accounts, Contacts, and Opportunities. If a Salesperson needs to create a new Opportunity but is restricted from deleting any Opportunities, which of the following combinations of privileges must be assigned to ensure they can perform their job effectively while adhering to the principle of least privilege?