1). Mountain Manufacturing uses a standard cost system in which manufacturing overhead is applied to units of product on the basis of standard machine-hours. At standard, each unit of product requires one machine-hour to complete. The standard variable overhead is $1.75 per machine-hour and Budgeted Fixed Manufacturing Costs are $300,000 per year. The denominator level of activity is 150,000 machine-hours, or 150,000 units. Actual data for the year were as follows: Actual variable overhead cost