Final answer:
The customer's solution should include a Data Filter, Triggered Send, and Template-based emails. These components address the specific requirements mentioned, allowing for the creation of targeted renewal reminders managed by a general marketing user without administrative rights. Hence, options B, C, and D are correct.
Step-by-step explanation:
The customer's solution should include the following components:
- Data Filter: This component can be used to filter out customers whose subscriptions are expiring in 15 days and 7 days. The filter can be based on the expiration date included in the data file.
- Triggered Send: This component allows for the creation and management of renewal reminder emails. The general marketing user can easily create and schedule the sending of emails to the targeted customers.
- Template-based emails: The renewal reminder emails can be created using pre-designed templates, which simplifies the process for the general marketing user.
Suppression lists and Automation Studio are not explicitly mentioned as necessary components for the given requirements.