During the year ended December 31, 2021, The Powter Company's manufacturing process used $500,000 of direct raw materials, $1,000,000 of direct labor, and $800,000 of manufacturing overhead. As of January 1, 2021, Powter had Work in Process Inventory of $100,000 and Finished Goods Inventory of $500,000. As of December 31, 2021, Powter had Work in Process Inventory of $200,000 and Finished Goods Inventory of $100,000. What was Powter's costs of good sold for the year ended December 31, 2021?