Use this inventory information for the month of June June Beginning 10 units @ $120 inventory 60 units @ 5 Purchase $112 14 Sale 40 units 21 Purchase 30 units @ $116 28 units 30 Sale Assuming that a periodic inventory system is used, what is ending inventory on a FIFO basis? Select one O a. $3,704 O b. $7696 O c. $3,440 O d. $7,728