Sandra's 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.

Date	Transactions	Units	Cost per Unit	Total Cost
October 1	Beginning inventory	6	$770	$ 4,620
October 4	Sale	4
October 10	Purchase	5	780	3,900
October 13	Sale	3
October 20	Purchase	4	790	3,160
October 28	Sale	7
October 30	Purchase	7	800	5,600
				$17,280

a) Using FIFO, calculate cost of goods sold on October 31.

b) Using FIFO, calculate ending inventory on October 31.

c) Using LIFO, calculate cost of goods sold on October 31.

d) Using LIFO, calculate ending inventory on October 31

e) Calculate weighted-average cost per unit. (Round your answer to 2 decimal places.)