The Boxwood Company sells blankets for $37 each. The following was taken from the inventory records during May. The company had no beginning inventory on May 1. Date Blankets Units Cost May 3 Purchase 8 $18 10 Sale 4 17 Purchase 11 $16 20 Sale 4 23 Sale 3 12 30 Purchase $18 Assuming that the company uses the perpetual inventory system, determine the cost of goods sold for the sale of May 20 using the LIFO inventory cost method. Oa. $64 Ob. $72 Oc. $216 Od. $48