Knick Knack Selling price per unit 60 30 Variable labour costs (18) (6) Variable material costs (12) (8) Fixed costs (6) (8) The variable material costs consist entirely of material Delta. Each Knick uses 6 kg and each Knack uses 4 kg of Delta. This material is in short supply. Lim Ltd cannot vary the selling price of Knicks At what price must the business sell Knacks in order to ensure that the business is indifferent as to which product is produced? O A 46 B. 60 O c. 48 OD. 34