Inventory Purchase Activity for the month of January: Beginning 50 4 200 Inventory 9-Jan Purchase 11-Jan Purchase 60 60 4.2 252 80 80 4.6 368 19-Jan Purchase 50 4.4 220 Use this information for the next 2 questions. The firm has one sale during the month: 100 units on January 15. What is the balance of ending inventory under FIFO Perpetual inventory system? 630 590 542 498 None of the listed options The firm has one sale during the month: 120 units on January 15. What is the balance of ending inventory under LIFO Periodic inventory system? 630 498 590 542 None of the listed options