rible has observed an activity level of 8000 units, the cost of maintainance is 15000,and at 10000,the cost of maintenance is 16500,using the high_ low methodwhat is the cost formula for maintainance? 2,self imposed budgets are typically what? 3. precision company data, actual manufacturing overhead cost is 84000,actual direct labour for house worked 27000.the precision company used a predetermined overhead rate last year or 3 dollars per direct labour. the predetermined rate was based on an estimate of 24000 direct labour hours to be worked during the year, the under or over applied overhead for the year was how much