Its asked in example in notes, calculate total sales margin variance , and analyse inro sales price var. ; salex mix var.; sales qty. var.
you taught clearly about price , mix and Qty. variance. but you didn’t meantion the word total sales margin variance. is it another name for volume variance ( total of mix and qty )
No, the total sales margin variance is the total of the price variance and the volume variance (and this is shown in the answer that is printed in the lecture notes).