The Boxwood Company sells blankets for $35 each. The following was taken from the inventory records during May. The company had no beginning inventory on May 1. Date Blankets May 3 Purchase 10 Sale Units Cost $15 17 Purchase 11 $16 20 Sale 8 23 Sale 2 30 Purchase 10 $22 Assuming that the company uses the perpetual inventory system, determine the cost of goods sold for the sale of May 20 using the FIFO inventory cost method. Oa. $123 Ob. $173 Oc. $125 Od. $188 ?