View Policies Current Attempt in Progress In its first month of operations, Riverbed Company made three purchases of merchandise in the following sequence: (1) 210 units at $ 4. (2) 280 units at $5, and (3) 390 units at $ 9. Assuming there are 220 units on hand. Compute the cost of the ending inventory under the FIFO method and the LIFO method. Riverbed uses a periodic inventory system. FIFO LIFO $