Question 12 (16 points) Saved Southern Bus Lines Ltd. operates a fleet of buses in Western Canada. The total overhead costs at various levels of activity are presented below. TOTAL TOTAL OVERHEAD KM's MONTH COSTS DRIVEN June $388,000 100,000 July $340,000 80,000 August $485,000 135,000 September $483,000 140,000 The total overhead cost is the sum of the following costs: 1. Utilities 2. supervisory salaries and 3. maintenance The breakdown of these costs at the 80.000 KM JULY level is as follows: Utilities (variable cost) $104.000 Salaries (fixed cost) $120.000 Maintenance (mixed cost) $116.000 Total JULY overhead cost $340 000 In October the company expects to incur 90.000 KM's of activity REQUIRED: For the month of October calculate the cost of Salaries (2 marks) Utilities (4 marks) Total Overhead costs and Maintenance cost (using the high-low method (10 marks)