If the weighted average cost method is used, calculate the equivalent units of production for January, given the following information: Work in Process, January 1 - 65,000 units, 40% complete for materials, 55% complete for conversion Work in Process, January 31 - 18,000 units, 70% complete for materials, 60% complete for conversion The department started 110,000 units into production in January and transferred out 157,000 completed units to the next department. 143,600 equivalent units for materials, 132,050 equivalent units for conversion 169,600 equivalent units for materials, 167,800 equivalent units for conversion 65,000 equivalent units for materials, 65,000 equivalent units for conversion 157,000 equivalent units for materials, 157,000 equivalent units for conversion