Need help with the weighted average cost methods.

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 320 units. Date Deginning Inventory Purchase Purchase January 1 January 15 January 24 Units Unit Cout Wotal cost 260 $ 85 $22,100 420 95 39,900 220 115 25,300 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) UFO, and (c) weighted average cost methods. Complete this question by entering your answers in the tabs below. Required Required 2 Required Calculate the cost of ending Inventory and cost of goods sold using the (a) FIFO, () LIFO, and (c) weighted average cost methods Cost of Ending Cost of Goods Sold 50 soos 27.500 3.500 100 UFO Weighed Cost