please show work so I can see how to come to the answer, thanks

Inventory Write-Down The following information is taken from Aden Company's records: Product Group Units Cost/Unit Market/Unit 700 $1.10 $0.90 A 1 1 250 1.50 1.55 2 200 m o o o 4.90 5.15 2 100 6.50 6.40 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? a. Individual items Product A 540 x Product B 450 x Product C 980 Product D 640 Product E 1,968 Total inventory value $ 4,578 X b. Groups of items Group 1 $ 1,005 X Group 2 1,630 1,968 Group 3 Total inventory value 4,603 X C. The inventory as a whole Total inventory value $ 4,643 X