Problem 3-5A (Video) (Part Level Submission) Polk Company manufactures basketballs. Materials are added at the beginning of the production process and conversion costs are incurred uniformly. Production and cost data for the month of July 2020 are as follows. Units Percent Complete 440 60 % 1,120 600 40 % Production Data-Basketballs Work in process units, July 1 Units started into production Work in process units, July 31 Cost Data-Basketballs Work in process, July 1 Materials Conversion costs Direct materials Direct labor Manufacturing overhead $780 620 $1,400 2,028 530 1,010 (al) Calculate the equivalent units of production for materials and conversion costs. Materials Conversion Costs Equivalent Units