Need help with this, please include equations and explanations!!!!!! Don't just give the answer please include those or I'll rate your response bad.

Rusthe Inc. uses a periodic inventory system. Its records show the following for the month of May, in which 74 units were sold. Date Explanation Units Unit Cost 1-May Inventory 30 $9 15 Purchase 25 10 24 Purchase 38 11 Calculate the Ending Inventory and cost of Goods Sold using the FIFO, LIFO and average-cost methods. Paragraph UA + Lato (Recom... 19px P NI EQ FIFO Calculations Calculate the Ending Inventory and Cost of Goods Sold using the FIFO, LIFO and average-cost methods. Paragraph B I UA + Lato (Recom... 19px... P lle FIFO Ending Inventory= FIFO Cost of Goods Sold= LIFO Calculations: Calculate the Ending Inventory and cost of Goods Sold using the FIFO, LIFO and average-cost methods. Paragraph UA + Lato (Recom... 19px... ll E LIFO Calculations: Calculate the Ending Inventory and Cost of Goods Sold using the FIFO, LIFO and average-cost methods. Paragraph B 1 UA + Lato (Recom... 19px.. F *** WE LIFO Ending Inventory = LIFO Cost of Goods Solda Weighted Average Calculations: Calculate the Ending Inventory and cost of Goods Sold using the FIFO, LIFO and average-cost methods. + ... Paragraph U A Lato (Recom... 19px... ? Weighted Average Calculations: E Calculate the Ending Inventory and Cost of Goods Sold using the FIFO, LIFO and average-cost methods. Paragraph B 1 + UA P Lato (Recom... 19px.. V NI! Ea 5 Weighted Average Ending Inventory= Weighted Average Cost of Goods Sold=