Correct option is C
· Direct material cost variance (A-IV) = Standard cost for actual output - Actual cost
· Direct material price variance (B-III) = Actual quantity × (Standard price - Actual price)
· Direct material usage variance (C-II) = Standard price × (Standard quantity for actual output - Actual quantity)
· Direct material mix variance (D-I) = Standard price × (Revised standard quantity - Actual quantity)

