Modern Day Appliances, Incorporated is a wholesaler of kitchen appliances. The company uses a periodic inventory system and the LIFO cost method. Modern Day's December 31, 2024, fiscal year-end inventory of its main product, double-door stainless steel refrigerators, consisted of the following (listed in chronological order of acquisition): Units Unit cost 130 $ 660 710 710 470 760 The replacement cost of the refrigerators throughout 2025 was $810. Modern Day sold 4,900 of these refrigerators during 2025. The company's selling price throughout 2025 was $1,230. Required: Compute the gross profit (sales minus cost of goods sold) and the gross profit ratio for 2025 assuming that Modern Day purchased 5,500 units during the year. Repeat requirement 1 assuming that Modern Day purchased only 4,200 units. For requirements 1 and 2, what amount of before-tax LIFO liquidation profit or loss would Modern Day report in its 2025 disclosure notes, if any, assuming any calculated amount is material?