Can you help me correct the answer and show the calculation?

Topanga Group began operations early in 2021. Inventory purchase information for the quarter ended March 31, 2021, for Topanga's only product is provided below. The unit costs include the cost of freight. The company uses a periodic inventory system to report inventory and cost of goods sold. Date of Purchase Jan. 7 Feb. 16 March 22 Units 8,000 29,000 33,000 70,000 Unit Cost $5.00 6.00 7.00 Total Cost $ 40,000 174,000 231,000 $ 445,000 Totals Sales for the quarter, all at $10 per unit, totaled 40,000 units leaving 30,000 units on hand at the end of the quarter. Required: 1. Calculate Topanga's cost of goods sold for the first quarter using: a. FIFO b. LIFO C. Average cost 2. Calculate Topanga's gross profit ratio for the first quarter using FIFO, LIFO, and Average cost. 3. Comment on the relative effect of each of the three inventory methods on the gross profit ratio. question X Answer is not complete. Complete this question by entering your answers in the tabs below. Req 1A Req 1B Req 1C Req 2 Req3 Calculate Topanga's cost of goods sold for the first quarter using FIFO. Cost of Goods Available for Sale Cost of Goods Sold - Periodic FIFO Ending Inventory - Periodic FIFO FIFO: # of units Cost per unit Cost of Goods Available for Sale 0 # of units sold Cost Cost of Goods Sold Cost per unit # of units in ending inventory 0 Ending Inventory per unit 0 $ 0.00 $ 0 S 0.00 $ 0 $5.00 8,000 $ 5.00 0 S 0 Beginning Inventory Purchases: January 7 February 16 March 22 Total 6.00 0 S 8,000 29,000 33,000 70,000 $6.00 $7.00 0 40,000 174,000 0 40,000 174,000 231,000 445,000 29,000 $ $ 5.00 6.00 7.00 7.00 IS 0 $ 37,000 $ 214,000 0 $ 0 Answer is not complete. Complete this question by entering your answers in the tabs below. Req 1A Req 1B Req 10 Req 2 Req3 Calculate Topanga's cost of goods sold for the first quarter using LIFO. Cost of Goods Sold - Periodic LIFO Ending Inventory - Periodic LIFO LIFO Cost of Goods Available for Sale Cost of Cost # of Goods per units unit Available for Sale $ 0 # of units sold Cost per unit Cost of Goods Sold # of units Cost in ending per unit inventory 0$ 0.00 Ending Inventory 0$ 0.00 S 0 $ 0 $5.00 0$ $ 5.00 0 5.00 40,000 Beginning Inventory Purchases: January 7 February 16 March 22 Total 6.00 48,000 8,000 29,000 33,000 70,000 6.00 $ 6.00 $7.00 40,000 174,000 231,000 $ 445,000 8,000 $ 126,000 X $ 0 $ 8,000 $ 33,000 $ 41,000 7.00 7.00 231,000 $ 279,000 756,000 0 $ 796,000 134,000 Answer is not complete. Complete this question by entering your answers in the tabs below. Req 1A Reg 1B Req 1C Req 2 Req3 Calculate Topanga's cost of goods sold for the first quarter using average cost. (Round average cost per unit to 4 decimal places.) Ending Inventory - Average Cost Average Cost Cost of Goods Available for Sale Cost of # of Unit Goods units Cost Available for Sale Cost of Goods Sold - Average Cost # of Average Cost of units Cost per Goods sold Sold # of units in ending inventory Average Cost per unit Ending Inventory Unit $ Beginning Inventory Purchases: January 7 February 16 March 22 Total 8,000 29,000 $5.00 $6.00 40,000 174,000 $7.00 33,000 70,000 231,000 445,000 $ $ 0 S 0 2. Calculate Topanga's gross profit ratio for the first quarter using FIFO, LIFO, and Average cost. 3. Comment on the relative effect of each of the three inventory methods on the gross profit ratio. X Answer is not complete. Complete this question by entering your answers in the tabs below. Req 1A Req 1B Req 1C Req 2 Req3 Calculate Topanga's gross profit ratio for the first quarter using FIFO, LIFO, and Average cost. Choose Numerator: Choose Denominator: Gross Profit Ratio Gross profit ratio = FIFO 0 LIFO = 0 Average cost 0