with explanations and look at the numbers carefully to avoid mistakes

: - Ling Company's inventory records for the current year are as follows: Number of Units Cost per Unit Total Cost 2,200 $3.00 Beginning inventory $ 6,600 3,000 $2.90 First purchase 8,700 3,500 $2.80 9,800 Second purchase Third purchase 2,800 $2.70 7,560 2.500 $2.60 Fourth purchase 6.500 Goods available for sale 14.000 $39.160 Units sold during the year 9,000 Required: (,,) Compute the cost of ending inventory and the cost of goods sold, using the following cost formulas for inventory: (a) FIFO periodic (20%) (b) Weighted Average Cost periodic (30%) (a) FIFO Ending inventory Cast of (b) Weighted Average Cost Ending inventory Cost of goods sold old 23000 25,10 101000