Bpp book,example for losses,mix and yield var. Forums › Ask ACCA Tutor Forums › Ask the Tutor ACCA PM Exams › Bpp book,example for losses,mix and yield var. This topic has 0 replies, 1 voice, and was last updated 10 years ago by veverica1983. Viewing 1 post (of 1 total) Author Posts December 8, 2015 at 10:27 am #288942 veverica1983Member Topics: 36Replies: 21☆☆ Can you please explain, why for mat.P usage var.is 51300/54000*40000; for mat.yield: 51300*100/90 ? Thanks Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In