Please help with red x's and show work.

Alternative Inventory Methods Totman Company has the following transactions during the months of January and February: Date Transaction Units Cost/Unit January 1 Balance 200 10 Purchase 50 $25 22 Sale 40 28 Purchase 60 27 February 4 40 28 Purchase Sale 14 50 23 Sale 20 The cost of the inventory at January 1 is $24, $23, and $15 per unit, respectively, under the FIFO, average, and LIFO cost flow assumptions. Required: 1. Compute inventories at the end of each month and the cost of goods sold for each month for the following alternatives: a. FIFO periodic Cost of Goods Sold Ending Inventory January 960 s 6,710 February S 1,680 6,150 b. FIFO perpetual Cost of Goods Sold Ending Inventory January S 960 s 6,710 S February 1,680 $ 6,150 C. LIFO periodic Cost of Goods Sold Ending Inventory January 1,000 X s 4,870 x February S 1,930 X $ 4,060 X d. LIFO perpetual Cost of Goods Sold Ending Inventory January S 1,000 s 4,870 February S 1,930 s 4,060 February Weighted average (Round unit costs to 4 decimal places and round final answers to nearest dollar.) Cost of Goods Sold Ending Inventory January $ 936 x $5,890.29 X February S 1,728 X $ 5,926 x f. Moving average (Round unit costs to 4 decimal places and round final answers to nearest dollar.) Cost of Goods Sold Ending Inventory January S 9367 s 6,5347 February 1,728 5,926 2. Reconcile the difference between the LIFO periodic and the LIFO perpetual results. January Cost of Goods Sold Ending Inventory Difference 5,800 x 4,060 x x February Cost of Goods Sold Ending Inventory Difference $ 1,720 X $ 1,720 x 3. If the company had purchased an additional 25 units for $30 each on February 27, compute the cost of goods sold for February under FIFO periodic and LIFO periodic. February FIFO periodic: LIFO periodic: Cost of Goods Sold: $ 1,285 x $ 1,285 x .. 4. When computing inventory turnover ratios, it's preferable to use a FIFO measure because it avoids distortions caused by including old costs in inventory. Use of the preferable method results in a lower costs inventory turnover