BPP Passcards – Serious Misprint! Home › Forums › ACCA Forums › F5 Performance Management Forums › BPP Passcards – Serious Misprint! This topic contains 0 replies, has 1 voice, and was last updated by polldoll 4 years, 9 months ago. Viewing 1 post (of 1 total) Author Posts December 3, 2011 at 12:13 pm polldollParticipant Sharing this in case it helps anyone – the methods for calculating the sales mix variance and the sales quantity variance are the wrong way round in the BPP Passcards (p. 97). Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.