please help and explain

PR18-4B Margo Company Materials Inventory ncome WIP Inventory Finished Goods Inventory 805,000 Beginning 47,000 Beginning 85,000 Beginning 160,000 Sales Cost of Goods Sold Gross Profit Operating Expenses Net Income $ $202,000 Materials Purchased Cost of Direct Materials Used Direct Labor Factory Overhead Total Manufacuring Cost WIP Inventory 12/31 FG Inventory 12/31 Operating Expenses 277,000 106,000 695,000 23,000 141,000 84,000