Problem 9-2 Part B The company uses the perpetual inventory method and started the month of November with 500 units of inventory at a cost of $3 each. Purchases November 5, 500 units at $5 each November 18, 500 units at $6 each November 29, 500 units at $9 each Sales November 12, 400 units sold at $14 each November 25, 900 units sold at $14 each 1. Use the following format to set up this inventory costing problem, as shown in Video #2. Inventory Total Cost Date Units Cost per Date Units Total Cost Unit Beg Balance Units Cost Beginning Balance + Purchases Goods Available for Sale - Sold Ending Balance 2. Use the moving weighted average method to calculate cost of goods sold and ending inventory. 3. Calculate the company's gross margin based on using the average cost method. Problem 9-2 Part B The company uses the perpetual inventory method and started the month of November with 500 units of inventory at a cost of $3 each. Purchases November 5, 500 units at $5 each November 18, 500 units at $6 each November 29, 500 units at $9 each Sales November 12, 400 units sold at $14 each November 25, 900 units sold at $14 each 1. Use the following format to set up this inventory costing problem, as shown in Video #2. Inventory Total Cost Date Units Cost per Date Units Total Cost Unit Beg Balance Units Cost Beginning Balance + Purchases Goods Available for Sale - Sold Ending Balance 2. Use the moving weighted average method to calculate cost of goods sold and ending inventory. 3. Calculate the company's gross margin based on using the average cost method