Answer the required a$,$b$,$c$,$d with explanation how you got calculations

Th following data (in thousands of dollars) have been taken rling Corporation for the year just ended es Plfect Materials Used Direct labour Manufacturing overhead Administrative expenses Selling expenses Work-in-process inventory. beginning Work-in-process inventory, ending Finished goods inventory. Beginning Finished goods inventory, ending Required: Compute the Cost of Goods Manufactured Compute Cost of Goods Sold What is the Gross Margin for the Year? d) ute Net Operating Income. $990 $90 $250 $320 $150 $410 $70 $50 $100 $160