Oahu Kiki tracks the number of units purchased and sold throughout each accounting period but applies its inventory costing method at the end of each month, as if it uses a periodic inventory system. Assume Oahu Kiki's records show the following for the month of January. Sales totaled 310 units. Date January 1 January 15 January 24 Units 240 360 200 Unit Cost $80 90 110 Total Cost $ 19,200 32,400 22,000 Beginning Inventory Purchase Purchase Required: 1. Calculate the number and cost of goods available for sale. 2. Calculate the number of units in ending inventory. 3. Calculate the cost of ending inventory and cost of goods sold using the (a) FIFO, (b) LIFO, and (c) weighted average cost methods.

Oahu Kiki tracks the number of units purchased and sold throughout each accounting period but applies its inventory costing methoc ot the end of each month, as if it uses a periodic inventory system. Assume Oahu Kiki's records show the following for the month of January: Sales totaled 310 units Required: 1. Calculate the number and cost of goods avoilable for sale 2. Calculote the number of units in ending inventory 3. Calculate the cost of ending inventory and cost of goods sold using the (a) FIFO. (b) LFO, and (c) weighted average cost methods