Wright recently took over as the controller of Osborn Brothers Manufacturing. Last month, the previous controller left the company with little notice and left the accounting records in disarray. Sam needs the ending inventory balances to report first-quarter numbers. For the previous month (March 2020), Sam was able to piece together the following information: Direct materials purchased Work-in-process inventory, March 1, 2020 Direct materials inventory, March 1, 2020 Finished-goods inventory, March 1, 2020 Conversion costs Total manufacturing costs added during the period Cost of goods manufactured Gross margin as a percentage of revenues Revenues $ 90,000 $ 30,000 $ 13,500 $190,000 $340,000 $400,000 5 times direct materials used 30% $640,000 Required Calculate the cost of 1. Finished-goods inventory, March 31, 2020 2. Work-in-process inventory, March 31, 2020 3. Direct materials inventory, March 31, 2020