Use the information below to answer the following questions. The Boxwood Company sells blankets for $60 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 5 $20 Purchase 10 Sale 3 17 Purchase 10 $24 23 22 20 Sale 6 Sale 3 30 Purchase 10 $30 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. O a. $120 O b. $136 c. $180 O d. $144