Appending line number to each line and getting total number of lines

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# 1  
Old 03-24-2008
Appending line number to each line and getting total number of lines

Hello, I need help in appending the line number of each line to the file and also to get the total number of lines. Can somebody please help me.
I have a file say:

The output should be:

Total number of Instances=5

# 2  
Old 03-24-2008
awk '{print "Instance"NR"="$0} END {print "Total number of Instances = "NR}' file

# 3  
Old 03-25-2008
Thanks Shamrock, that works correctly..

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