This is all one question, i would really appreciate the help! I will be sure to leave a great review!

Periodic inventory by three methods Pappa's Applianices uses the periodic inventory system. Details regarding the inventory of appliances at lanuary 1 , purchases invoices during the year, and the inventory count at December 31 are summarized as follows: 1. Detertmine the cost of the inventory on December 31 by the firs-an, first-out method. If the inventory of a partioular model comprises one entire purchase plus a portion of another purchase acquired at a different unit cust, use a separate inte for each purchaser. If ufuts are in inveritory at two daferent costs, enter the units PuaCHASED MOst RectNny first. Pappa's Appliances 2. Determine the cost of the inventory on December 31 by the last-in, first-out method. 2. Determine the cost of the inventory on December 31 by the last-in, first-out method. If the inventory of a particular model competses one entire purchase plus a portion of another purchase acquired at a different unit cost, wse a separate line for each porchase. I units dre in inventory at two different costs, enter the OLDEST units fitst, Pappa's Appliances Cost of the Inventory-t.IFO Methont 3. Determine the cost of the inventory on December 31 by the weighted average cost method. Pappa's Appliances Cost of the Inventory-Weighted Average Method 4a. Which inventory method would be preferred for income tax purposes in periods of rising prices? 4b. Which inventory method would be preferred for income tax purposes in periods of declining prices