Excel Assignment \# 3 - Production Cost Report Because most of the parts for its irrigation systems are standard, Northern Illinois Manufacturing handles the majority of its manufacturing as a process cost system. There are multiple process departments. Three of these departments are the Molding, Welding, and Assembly 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: Instructions: Prepare a production cost report for Northern Illinois Manufacturing using the weightedaverage method and then show the journal entry for transferring the units from Molding to the Welding Department