6) Inventory data for Freezer Burn Corporation for the year ended December 31, 2019, are as follows: Beginning inventory 50 units at $150 each March 31 purchase 50 units at $155 each 1st quarter sales 60 units June 30 purchase 55 units at $160 each 2nd quarter sales 70 units September 30 purchase 60 units at $170 each Compute the perpetual ending inventory balance on December 31, 2013, using: (8) FIFO Weighted average a. b