." The " Tomman Company has the following transactions during the months of January and February" Date Transaction Units Cost /Unit January* Balance 200 10 Purchase 50 $25 21 Sale 40 Purchase 27 BZ February* Purchase 14 Sale 23 Sale The cost of the inventor, at January 1 is $24, $23 , and $15 per unit , respectively , under the FIFO, average , and LIFO cost flow Assumptions . 1 . Compute the cost of goods sold for each month and the inventories at the end of each month