Adventure Mattresses master budget was based on planned production and sales of 6 000 mattresses for 2020. Actual results were as follows: Produced 2 500 mattresses " Purchased and used 120 000 metres of direct materials for a total cost of $360 000 Total direct labour cost was $123 750 for 11 250 hours " Variable overhead cost was $54 000 Fixed overhead was $115 000Manufacturing costs Standard Standard Price Standard Quantity Unit cost Direct Materials 10 metre $2.50 per metre $25.00 Direct Labour 2 hours $10.00 per hour $20.00 Manufacturing Overhead Variable 1 hours $5.00 per hour T $5.00 Fixed $10.00 Standard Manufacturing cost per unit $60.00QUESTION 9: Variance Analysis [14 marks] Adventure Mattresses produce specialised mattresses for camping. They sell their mattresses through a variety of retail outlets like BCF and Anaconda. The standard cost for producing one of their most popular mattresses is as follows