A product manager builds the next quarter's plan entirely from the support ticket backlog, on the grounds that these are real customer problems. What does the Foundations material say about this?

• AThis is the correct approach, since tickets come directly from customers.
• BTickets should be used but weighted by customer revenue.
• CA small proportion of customers generate most of the inbound signal, so a plan built from tickets serves the minority who complain while the majority who quietly stop renewing never appear in it.
• DTickets are irrelevant to product management and should be ignored.