18-21 Weighted-average method, spoilage, equivalent units. (CMA, adapted) Consider the following data for November 2017 from Gray Manufacturing Company, which makes silk pennants and uses a process-costing system. All direct materials are added at the beginning of the process, and conversion costs are added evenly during the process. Spoilage is detected upon inspection at the completion of the process. Spoiled units are disposed of at zero net disposal value. Gray Manufacturing Company uses the weighted-average method of process costing Physical Units DirectConversion (Pennants) Materials Costs Work in process, November 1a Started in November 2017 Good units completed and transferred 1,000 S 1,423 1,110 9,000 out during November 2017 Normal spoilage Abnormal spoilage Work in process, November 30b Total costs added during November 2017 100 50 2,000 $12,180 $27,750 "Degree of completion: direct materials, 100%; conversion costs, 50% Degree of completion: direct materials, 100%; conversion costs, 30% Required: Compute equivalent units for direct materials and conversion costs. Show physical units in the first column of your schedule