Use this inventory information for the month of June. June 1 Beginning inventory 10 units @ $120 5 Purchase 60 units @ $112 14 Sale 40 units 21 Purchase 30 units @ $116 30 Sale 28 units Assuming that a periodic inventory system is used, what is ending inventory on a FIFO basis? Select one: O a $3,704 O b. $7,696 O c. $3,440 O d. $7,728