Hello Vishal,
This may not be a difficult report.
Pre-requisite
You should be able to identify your Equipment as an Asset in Finance Module. And know the field which displays Depreciated value of the Asset (Equipment)
Program logic
Step1
Compute Material consumption cost using tables AFIH AUFM MARA etc
Link this consumption to Equipment through tables V_EQUI AUFK
Step2
Simply link the above fields to the relevant FI table to have the Depreciated value into your report.
.
KJogeswaraRao