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Boomer Co. reported the following inventory information in 2022: Date Transaction Quantity Cost/unit Total cost Selling price/unit Jan. 1 Beg. Inventory 5.000 $25 $125.000 Mar. 8 Purchase 7,500 $28 210,000 May 17 Sale (10,000) $50 Aug. 23 Purchase 10,000 $30 300,000 Oct. 19 Sale (11,300) $55 Dec. 17 Purchase 2,500 $35 87,500 Assume Boomer uses the FIFO cost flow assumption with a perpetual inventory system a. Determine COGS for the May 17 sale. b. Determine COGS for the Oct. 19 sale. c. Determine the cost of ending inventory on Dec. 31