Because most of the parts for its irrigation systems are standard, Waterways handles the majority of its manufacturing as a process cost system. There are multiple process departments. Three of these departments are the Molding, Cutting, and Welding departments. All items eventually end up in the Packaging Department which prepares items for sale in kits or individually. The following information is available for the Molding department for January. Work in process beginning: Units in process Stage of completion for materials 23,200 80% Stage of completion for conversion cost 30% Costs in work in process inventory: Materials $169.950 Labor 67,000 Overhead 17.190 Total costs in b ts in beginning work in process $254,140 Units started into production in January 60,300 Units completed and transferred in January 57,700 Costs added to production: