The beginning inventory was 450 units at a cost of $11 per unit. Goods available for sale during the year were 1,750 units at a total cost of $19,800. In May 750 units were purchased at a total cost of $8,250. The only other purchase transaction occurred during October Ending inventory was 775 units. Required: a. Calculate the number of units purchased in October and the cost per unit purchased in October. Purchased in October Number of units Cost per unit b-1. Assume the periodic inventory system is used. Calculate cost of goods sold and ending inventory using FIFO method. (Enter all values as a positive value.) Periodic FIFO Cost of Goods Sold Cost of Goods Available for Sale #of Cost of Goods Available for units unit Sale Cost per # of units Cost per unit Cost of Goods Sold Inventory Balance # of units in Cost per Ending anding unit Inventory Inventory sold Beg. Inventory Purchases: May October Total IF method (Enter all b-2. Assume the periodic Inventory system is used. Calculate cost of goods sold and ending Inventory using LIFO method (Enter all values as a positive value.) Periodis LIEO Cost of Goods Available for Sale Cost of Goods #of Cost per Available for units unit Salo Cost of Good Sold # of units Cost per Cost of sold unit Goods Sold Inventory Balance # of units Cost per Ending In ending unit Inventory inventory Beg. Inventory Purchases: May October Total