Show ALL supporting work and computations for the above.) 2. (4 points) Slonaker Inc. has provided the following data concerning its maintenance costs: April Mawv June July August 5,799 ,782 .764 5.761 5,717 5,795 5,809 5,801 5.785 $30,379 $30.289 30 237 $30 233 30,078 $30,360 530,388 $30 378 $30.318 November Management believes that maintenance cost is a mixed cost that depends on machine-hours. Required: Estimate a) the variable cost per machine-hour and b) the fixed cost per month using the high-low method. (Show ALL your supporting work and computations!) 3. 6 Points) Burman Co uses a job-order costing system in its manufacturing opcrations The company recorded the following transactions during the past week a Purchased 75 kilograms of raw materials at $30 per kilogram. b. The payroll showed 412 hours of factory labor at $7 per hour. Analysis shows that 38 of the 412 hours are classified as indirect labor and the remainder as direct labor c. Requisitions filled by the raw materials storeroom consisted of S1,875 of direct materials and $224 of indirect materials