How do i determine the the costs to be assigned to the units transferred out and in process?

The Smelting Department of Polzin Company has the following production and cost data for September. Production: Beginning work in process 1,800 units that are 100% complete as to materials and 20% complete as to conversion costs; units started and finished 8,600 units; and ending work in process 1,000 units that are 100% complete as to materials and 40% complete as to conversion costs. Manufacturing costs: Work in process, September 1, $15,000; materials added $66,240; labor and overhead $127,368. Polzin uses the FIFO method to compute equivalent units. (a) V Your answer is correct. Compute the equivalent units of production for (1) materials and (2) conversion costs for the month of September. Materials Conversion Costs The equivalent units of production 9600 10440 eTextbook and Media Attempts: 3 of 5 used (b) Your answer is correct. Compute the unit costs for the month. (Round unit costs to 2 decimal places, e.g. 2.25.) Materials Conversion CostsYour answer is correct. Compute the unit costs for the month. (Round unit costs to 2 decimal places, e.g. 2.25.) Materials Conversion Costs Unit costs $ 6.90 $ 12.20 eTextbook and Media e Textbook Media Attempts: 4 of 5 used (c) * Your answer is incorrect. Determine the costs to be assigned to the units transferred out and in process. (Round unit costs to 2 decimal places, e.g. 2.25 and final answers to O decimal places, e.g. 1,225.) Transferred out $ 6900 Work in process 4880 eTextbook and Media Attempts: 1 of 5 used