B. An extract of a standard cost card shows the following details of product M: Variable overheads: 5 machine hours at RM10 per machine hour Fixed overheads 50 30 RM per unit The actual production of Product M for May amounted to 6,500 units and the budgeted production planned for was 7,000 units. The machines actually worked for 35,000 machine hours. The actual overheads incurred were: Variable overheads Fixed overheads Required: Calculate the following: (a) Variable overheads expenditure variance (b) Variable overheads efficiency variance (c) Fixed overheads expenditure variance (d) Fixed overheads efficiency variance RM270,000 RM190,000 (4 marks) (4 marks) (3 marks) (4 marks)