Sandras Purse Boutique has the following transactions related to its top-selling Gucci purse for the month of October. Sandra's Purse Boutique uses a periodic inventory system.

2. Using FIFO, calculate ending inventory and cost of goods sold at October 31. 3. Using LIFO, calculate ending inventory and cost of goods sold at October 31.

4. Using weighted-average cost, calculate ending inventory and cost of goods sold at October 31. (Round your intermediate and final answers to 2 decimal places.)

Transactions Units Unit Cost Date Total Cost Beginning inventory Sale $810 $4,860 October 1 October 4 6 4 October 10 Purchase Sale Purchase Sale 5 820 4,100 October 13 4 October 20 830 3,320 7 October 28 October 30 5,880 Purchase 7 840 $18,160