Splish has the following inventory data: July 1 5 14 21 30 Beginning inventory Purchases Sale Purchases Sale 36 units at $72 216 units at $67 144 units 108 units at $70 101 units Assuming that a perpetual inventory system is used, what is the cost of goods sold on a LIFO basis for July? $16730 $17150 $16670 $16718