20. Peachtree, Inc. uses a process costing system with one production department. In its first month 20,000 units were completed and transferred to Finished Goods Inventory. Of these 20,000 units, 30% were sold. Peachtree's ending WIP inventory consists of 10,000 units, which were 50% complete with respect to Materials and 25% complete with respect to Conversion Costs. If the ending WIP balance is $200,000 and the cost for Materials is $15 per Equivalent Unit, what percentage of Peachtree's total production costs would be written off on its Income Statement for the first month