The customer service team at universal containers uses a custom project object to track their customer projects. an app builder needs to create a relationship between a project object and related client account record. a private sharing model is in place for both accounts and projects. which statement is true when creating an account lookup field on the project object? choose 2 answers a. cross-object fields update between the project and account records are not supported. b. the account lookup field on the project record can be made optional c. user can only delete accounts if they have access to related project records. d. the account record can include roll-up summary field with data from the project records