A company that specialized in manufacturing vending machines for books has been in business for 10 years. As the e-book and online retailing grow, the company perceived that a change is required to respond to the new emerging market forces. However, the change should focus on reusability as much as
possible to reduce expenses. After analyzing the current state with the business subject matter experts, the business analyst (BA) proposed investing in a new business line of vending machines that sell pay per
use mobile device phone fast charging stations.
Due to the urgency of this change, the BA was asked to finalize requirements elicitation in the shortest possible time.
Customers who want to utilize the pay per use mobile device fast charging stations may choose one of two features: fully charged (F1) or partially charged (F2). If partially charged is selected, the customer needs to
specify their charging needs.
What is the relationship between Fl and F2?