Problem 324 points) Howard Poster Incorporated had 12,000 units of work in process in Department A on October 1. These units were 60 percent complete as to conversion costs. Materials are added in the beginning of the process. Labor and Overhead (conversion costs) are incurred uniformly throughout the process. During the month of October, 38,000 units were started and 40,000 units were completed. Howard had 10,000 units of work in process on October 31. These units were 75 percent complete as to conversion costs. Required: Determine the equivalent units for materials and conversion costs for the month of October using the average cost method (show your calculations)