company began the year with 10,000 units of inventory on hand. The cost of each unit was $5.00. During the year, the following transactions took place: An additional 30,000 units were purchased at $6 each 20.000 units were sold at $10 each. 20,000 units remained on hand at the end of the year. The company uses a periodic inventory system. Prepare the journal entries for the year using FIFO (including the sales entry and the adjusting ant Prepare the journal entries using LIFO.