i need help with these two problems

2. Jones Company was formed on December 1, 2011. The following information is available from Jones's inventory record for Product X. Units Unit Cost January 1, 2012 (beginning inventory) 1,600 $18.00 Purchases: January 5, 2012 2,600 $20.00 February 16, 2012 1,000 $22.00 March 15, 2012 1,800 $23.00 A physical inventory on March 31, 2012, shows 2,200 units on hand. Instructions Prepare schedules to compute the ending inventory at March 31, 2012, under each of the following inventory methods: (a) FIFO. (b) LIFO. (c) Weighted average. Show supporting computations in good form. 3. Aber Company manufactures one product. On December 31, 2011, Aber adopted the dollar-value LIFO inventory method. The inventory on that date using the dollar-value LIFO inventory method was $270,000. Inventory data are as follows: Inventory at Price index Year year-end prices (base year 2009) 2012 $378,000 1.05 2013 552,000 1.15 2014 575,000 1.25 Instructions Compute the inventory at December 31, 2012, 2013, and 2014, using the dollar-value LIFO method for each year