According to the DSDM principle ‘Never Compromise Quality, when should the overall level of quality to be delivered within the solution be agreed?

According to the DSDM principle ‘Never Compromise Quality, when should the overall level of quality to be delivered within the solution be agreed?
A . During evolutionary development
B. At the start of the project
C. When the Business Advisor is available
D. Whenever the level of solution quality is known.

Answer: B