I have a file as given below
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Name_Customer Item_Purchased Item_Amount Credit
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Tom H1_P 7657 N/A
Pras Track_1 23 N/A
Cha Brace 9 N/A
Moh kite37 269 N/A
Prab Bols 87699 N/A
I need to add the values under the column Item_Amount
by ignoring the header in the file and print the sum as
Total Amount collected = 95657