Donuld company sells many products. Sol is one of its popular items. Below is an analysis if the inventory purchases and sales of Sol for the month of September. Donuld company uses the periodic inventory system.

9/1 Beg Inventory. 100 units at $60

9/3. Purchase 60 units @ $78

9/4. Sale of 70 units @. $120

9/10. Purchase 200 units @ 82

9/16. Sales 80units @ $130

9/19 Sales 60 units @ $130

9/25 Sales 50 units @ $130

9/30. Purchase 40 units @ $90

A. Using FIFO assumption, calculate the amount of changes to cost of goods sold in September

B. Using LIFO assumptions calculate the amount assigned to inventory on hand on September 30th