Which of the following user stories is BEST written?
A. As a sales assistant, I want to automatically generate the invoices raised during the day, so that time is saved.
B. As a sales assistant, I want to save time so that I automatically generate the invoices raised during the day
C. As needed, I want to automatically generate the invoices raised during the day, so that time is saved
D. As needed, I want to save time so that I automatically generate the invoices raised during the day
Answer: A