The boxwood company sells blankets for $ 33.00 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 10 $16.00 may 10 sale 5 may 17 purchase 15 $14.00 may 20 sale 6 may 23 sale 3 may 30 purchase 10 $21.00 assuming that the company uses the perpetual inventory system, determine the cost of goods sold for the sale of may 20 using the lifo inventory cost method.