4) DowntonTractor Company manufactures small tractors on an assembly-line basis. The units are started in Department Y. On January 1 of this year, the Work-in-Process inventory of Department Y consisted of 200 units 100% complete as to materials and 20% complete as to conversion. During the month, 800 units were started and 500 units were completed and transferred out. The Work-inProcess on January 31 was 100% complete as to materials and 20% complete as to conversion. Costs in process at the beginning of the period amounted to $100,000 for materials and $25,000 for conversion. Costs added during the period were materials costs of $200,000 and conversion costs 01 $ 143 ,000. Required: Prepare a production cost report using the weighted-average method