Boxwood Company sells blankets for $39 each. The following information was taken from the inventory records during May. The company had no beginning inventory on May 1. Boxwood uses a perpetual inventory system. Date Blankets Units Cost May 3 Purchase 8 $20 10 Sale 5 17 Purchase 15 $14 20 Sale 4 23 Sale 3 30 Purchase 8 $24 Determine the cost of goods sold for the sale of May 20 using the LIFO inventory costing method. a. $42 Ob. $100 c. $192 Od. $56