Ming’s Company produces CD appliances. The following is the cost information for the year ended 31 December 2003. 1. Material put into production was valued at ＄360,000 and ＄80,000 of which was used as supplies. 2. The payroll records showed that total labor cost was ＄350,000, ＄68,000 of which was the costs of foremen and storekeeping men. 3. Factory power and utilities were at a total cost of ＄90,000. 4. Selling and administration expenses totaled ＄100,000. 5. There was no opening and closing work-in-progress. The production records indicated that 20,000 units were completed in the year. Required: Calculate the following: (a)Prime cost (b)Conversion cost (c)Cost of goods manufactured (d)Unit production cost