pls solve and explain pls

Inventory Write-Down

The following information is taken from Aden Company's records:

Product	Group	Units	Cost/Unit	Market/Unit
A	1	600	$1.00	$0.80
B	1	250	1.50	1.55
C	2	200	4.90	5.15
D	2	100	6.50	6.40
E	3	80	25.00	24.60

Required:

What is the correct inventory value if the company applies the LCNRV rule to each of the following?

1. Individual items

   Product A		$fill in the blank 1
   Product B		fill in the blank 2
   Product C		fill in the blank 3
   Product D		fill in the blank 4
   Product E		fill in the blank 5
   Total inventory value		$fill in the blank 6

2. Groups of items

   Group 1		$ fill in the blank 7
   Group 2		fill in the blank 8
   Group 3		fill in the blank 9
   Total inventory value		$ fill in the blank 10

3. The inventory as a whole

   Total inventory value

   $ fill in the blank 11