The Boxwood Company sells blankets for $39 each. The following was taken from the inventory records during May. The company had no beginning inventory on May 1. Blankets Units Cost Date May 3 Purchase 10 $14 10 Sale 4 17 Purchase 15 $15 20 Sale 5 23 Sale 2. 30 Purchase 12 $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 $216 b. $30 Oc. $56 Od. $75