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 Units Cost May 03 Purchase 6 $20 10 Sale 4 17 Purchase 14 $18 20 Sale 4 23 Sale 3 30 Purchase 14 $22 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. a.$664 b.$308 c.$470 d.$246