12) The periodic inventory records of Northstar Sales indicate the following for the month of April Apr. 1Beginning merchandise 15 units @ $32 each inventory Purchase 7 units @ $34 each 18 Purchase 12 units @ $37 each 26Purchase 10 units @ $40 each As of April 30, Northstar counts 8 units of merchandise inventory on hand. Compute cost of goods sold for Northstar using the LIFO inventory method. A) $1,562 C) $1,306 B) $256 D) None of the above 21) 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 65 units at $6 per unit 3. Purchased 60 units at $7 per unit 2. Purchased 130 units at $6 per unit 4. Sold 110 units at $13.25 per unit 5. Sold 110 units at $12 per unit