Boxwood Company sells blankets for $36 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 Purchase 5 $17 10 Sale 17 Purchase 16 15 20 23 Sale Sale 5 3 30 Purchase 16 20 Assuming that the company uses the perpetual inventory system, determine the ending inventory value for the month of May using the FIFO inventory cost method. Oa. $320 Ob. $617 Oc. $455 Od. $256