LDV Ltd uses the perpetual inventory system for recording its cost of sales. The business collected the following information in relation to sales and purchases of inventory for the month of March 2022.

		purchases	purchases	sales
march		unit	unit cost	quantity
1	Opening balance	2500	$15
6	Purchase	4500	$17
10	Sales			4000
12	Purchase	3000	$19
20	Sales			4500
25	Purchase	1500	$20

For the purpose of this question, please ignore GST. Show ALL your workings.

i. Calculate the cost of goods available for sale in March.

ii. Using the FIFO method, calculate the following for 10 March, and 20 March:

(a) Cost of ending inventory.

(b) Cost of Sales.

iii. Using the Weighted Average method, calculate the following for 10 March, and 20 March (If you round the numbers, round to the nearest cent):

(a) Cost of ending inventory.

(b) Cost of Sales.