A company uses the weighted-average method of inventory valuation under a periodic inventory system. The company began the year with a zero inventory balance. They had the following transactions during the year 1 Purchased 61 units at $5 per unit 2. Purchased 100 units at $5 per unit 3. Sold 75 units at $10 per unit 4 Purchased 60 units at $6 per unit 5. Sold 75 units at $13.75 per unit At the end of the year, the company counted the inventory and found 71 units remaining. Calculate the cost of goods sold for the year. (Round the unit costs to two decimal places and total costs to the nearest dollar) COA $5 OB $1,165 OC $374 OD. $791