1.1 A company manufactures a fruit flavoured drink concentrate by mixing two liquids (X and Y). The standard cost card for ten litres of the drink concentrate is: Liquid X 5 litres @ RM16 per litre 80 Liquid Y 6 litres @ RM25 per litre 150 11 litres 230 The company does not hold any inventory. During the last period the company produced 4,800 litres of the drink concentrate. This was 200 litres below the budgeted output. The company purchased 2,200 litres of X for RM18 per litre and 2,750 litres of Y for RM21 per litre. Required: a) Calculate the materials mix variance for the period. (4 marks) b) Calculate the materials yield variance for the period