Inventory data for Freezer Burn Corporation for the year ended December 31, 2020, are as follows:

Beginning Inventory 50 units at $135 each

March 31 Inventory purchase 50 units at $140 each

1st Quarter Sales 60 units

June 30 Inventory purchase 55 units at $145 each

2nd Quarter Sales 70 Units

September 30 Inventory purchase 60 units at $155 each

Ending inventory is 80 units

Required:

Compute the Perpetual Ending Inventory balance AND Cost of Goods Sold amount on December 31, 2020, using: FIFO Method Weighted-average Method