In its first month of operations, Blue Spruce Corp. made three purchases of merchandise in the following sequence: (1) 400 units at $5. (2) 600 units at $6, and (3) 445 units at $7. Assuming there are 355 units on hand, compute the cost of the ending inventory under the (a) FIFO method and (b) UFO method. Blue Spruce uses a periodic inventory system