Boxwood Company sells blankets for $60 each. The following was taken from the inventory records during May. The company had no beginning inventory on May 11 Blankets Date Units Cost May 3 Purchase 5 $20 10 Sale 3 17 Purchase 10 24 20 Sale 23 Sale 30 Purchase 6 3 10 30 Assuming that the company uses the perpetual inventory system, determine the gross profit for the month of May using the LIFO cost method. a. $452 Ob. $356 c. $444 d. $348