Direct materials are added at the beginning of production. Conversion costs are incurred evenly throughout production . Spoiled units are detected at inspection, which occurs at the end of the production process. Normal spoilage is 5% of the good united completed and transferred out. Any spoilage over this amount is abnormal spoilage

a) What is the total number of spoiled units? b) How many of the spoiled units are considered abnormal spoilage? c) How many of the spoiled units are considered normal spoilage? d) What cost is assigned to the abnormal spoilage using the weighted average process costing method? Please help I need to finish this. I am stuck on this multiple part question.

Material Conversion Physical Units Degree of Completion 20,000 75% $100,000 $60,000 80,000 Beginning Work-In- Process Started During the Period Ending Work-In- Process 16,000 65% Good Units Completed 76,800 and Transferred $200,000 $280,000 Total Costs Added During the Period