Which of the following best describes the procedures used in operation costing to assign direct-material and conversion costs to production? A. B. C. Direct-Material Costs Conversion Costs Similar to those in job costing. Similar to those in job costing. Similar to those in job costing. Similar to those in process costing. Similar to those in process costing. Similar to those in job costing. Similar to those in process costing. Similar to those in process costing. None of these answers is correct since operating costing is totally unlike both job costing and process costing. D E