Holling Inc. uses the weighted-average method in its process costing. The following data concern the company's Mixing Department for the month of December. Materials Conversion $ 9,230 10,228 $227,600 $285, 332 Work in process, December 1 Cost added to production in the Mixing Department during December Equivalent units of production for December 11,000 10,500 Required Compute the cost per equivalent unit for materials and conversion for the Mixing Department in December. (Round your answers to 2 decimal places.) Materials Conversion Cost per equivalent unit