Monga manufactures cell phones. the conversion costs to produce cell phones for november are added evenly throughout the process in the assembly department. the company uses the weighted-average method. for each of the following separate assumptions, calculate the equivalent units of prduction for conversion costs in the ending work-in-pr0cess inventory for the assembly department: 1. 15,000 cell phones were 90% complete 2. 17,000 cell phones were 10% complete. first determine the formula for calculating equivalent units of production. assumption #1. 15,000 cell phones were 90% complete the equivalent units for conversion costs is ? #2. 17,000 cell phones were 10% complete the equivalent units for conversion costs is ?