10. The following transactions relate to Mammoth Product Company for the year ended December 31, 2012: Purchases of raw materials 250,000 Direct factory labour 450,000 Factory rental 75000 Depreciation of plant and equipment 50,000 Factory light and power 25,000 Salaries and wages of factory labour 100,000 Sales revenue $900,000 Selling and administrative expenses 75,000 Opening inventory January 1 Work in process 300,000 Raw materials 100,000 Closing inventory December 31 Work in process 400,000 Raw materials 150,000 Prepare the following: a. Cost of goods manufactured statements (20 points)