Hello please solve for the following bellow.

- Part #2 William Company uses the periodic inventory system and has provided the following data: Beginning inventory Purchases Sales Units 6,000 32,000 28,000 Amount 30,000 192,000 280,000 2 Required: 4 1. Calculate the following using both: FIFO and LIFO inventory methods. FIFO LIFO 7 1. Ending inventory 3 2. Cost of Goods Sold 9 3. Gross profit 2 2. In times of rising unit costs, how does pretax income using FIFO compare to pretax income using LIFO? Explain your