Consumer and producer surlpus

tutor2u working through a question
https://www.tutor2u.net/economics/reference/changes-in-consumer-and-producer-surplus-mcq-revision-question?utm_medium=email&utm_campaign=Economics%20daily%20digest%20Thu%202nd%20November%202017&utm_content=Economics%20daily%20digest%20Thu%202nd%20November%202017+CID_46ddde660fa31b409d5ba6f07b349fb8&utm_source=CampMonitor&utm_term=Changes%20in%20Consumer%20and%20Producer%20Surplus%20MCQ%20Revision%20Question%20Practice%20exam%20questions%20This%20question%20is%20tested%20regularly%20at%20A%20level%20-%20namely%20how%20changes%20in%20the%20conditions%20of%20supply%20and%20demand%20impact%20on%20the%20overall%20level%20of%20consumer%20and%20producer%20surplus