Hi, Can anyone help me on below points. 1. What is the use and purpose of fields APTD - Amount

Hi,

Can anyone help me on below points.

1.      What is the use and purpose of fields APTD - Amount - Paid to date, Amount received AREC, Amount - Cost variance VARC in F43121, Is there any document.

2.      Does APTD - Amount - Paid to date and Amount received AREC fields will always have same amount or it can be different in F43121.

3.    If Amount - Cost variance VARC fields in F43121 contains value then what is mean and impact of it.