The Boxwood Company sells blankets for $33 each. The following was taken from the inventory records during May. The company had no beginning inventory on May 1. Blankets Date Units Cost May 31 Purchase 9 514 10 Sale 4 17 Purchase 11 $15 20 Sale 4 23 Sale 2 30 Purchase 10 $24 Assuming that the company uses the perpetual inventory system, determine the cost of goods sold for the sale of May 20 using the LFO inventory cost method. O $56 Ob. 16 Oc $240 Od. 530