i have
[AR_Current_Sum_of_Bill_Amount]+[A_R_31___60_Days_Sum_of_Bill_Amount]+[A_R_61___90_Days_Sum_of_Bill_Amount]+[A_R_91___120_Days_Sum_of_Bill_Amount]+[A_R_121___150_Days_Sum_of_Bill_Amount]+[A_R_151___180_Days_Sum_of_Bill_Amount]+[A_R_181___365_Days_Sum_of_Bill_Amount]+[A_R_366___730_Days_Sum_of_Bill_Amount]+[A_R_731___1000_Days_Sum_of_Bill_Amount]+[A_R_1001___1500_Days_Sum_of_Bill_Amount]+[A_R_Over_1500_Days_Sum_of_Bill_Amount]
these fields to add and fall under new field created for the respective invoice in the file.
How to write the logic for this in formula tool to create the new fields for each invoice should see the bill amount
need help on this?