I have been working on my practice homework but need help with this question.

Question 4 (15 Marks) Marvellous Inc. uses the weighted-average method in its process costing system. The following data concern the operations of the company's first processing department for a ecent month: Work in process, beginning: Units in process 800 Stage of completion with respect to materials 50% Stage of completion with respect to conversion 20% Costs in the beginning inventory: Materials cost $2,440 Conversion cost $4,928 Units started into production during the month 15,000 Units completed and transferred out 15,600 Costs added to production during the month: Materials cost $96.470 Conversion cost $476,362 Work in process, ending: Units in process 200 Stage of completion with respect to materials 50% Stage of completion with respect to conversion 90% Required: Using the weighted-average method a. Determine the equivalent units of production for materials and conversation costs (4 marks) Determine the cost per equivalent unit for materials and conversion costs (4 marks) C . Determine the cost of units transferred out of the department during the month (3 marks) d. Determine the cost of ending work-in-process inventory in the department (4 marks)