Several items are missing from the financial records of TXK Corporation for the month of December. In the blanks below, fill in the missing amounts. (Input code: 0) Materials inventory, December 1 $ Materials inventory, December 31 $35,776 Work in process inventory, December 1 $ Work in process inventory, December 31 $ Finished goods inventory, December 1 Finished goods inventory, December 31 Materials purchased Cost of direct materials used in production $200.766 $188,626 $298,395 $ Direct labor Factory overhead Total manufacturing costs incurred in December Total manufacturing costs (subtotal) $391,015 $135,404 $849.474 $968,973 Cost of goods manufactured Sales $1,227,031 Cost of goods sold $ Selling expenses Research expenses $40.234 $33,491 Administrative expenses $ Gross profit Total operating expenses $365,369 $116,879 Net income $