The Monroe Corporation manufactures lamps. It has set up the following standards per finished unit for direct materials and direct manufacturing labor (Click the icon to view the standards.) The number of finished units budgeted for January 2017 was 10,000: 9,900 units were actually produced. Assume that there was no beginning inventory of either direct materials or finished units. During the month, materials purchased amounted to 100,000 lb., at a total cost of S530,000. Input price variances are isolated upon purchase. Input-efficiency variances are isolated at the time of usage Read the (Click the icon to view actual data.)