I want your help here.

First, in the given excel sheet has the following values, in that with the respective of Column A(integer-month) if it find matches compare the values of Column “C” (integer-size) and create a new column next to it show difference. and enter image description here

enter image description here

Please need your help here, thank you.

I want your help here.

First, in the given excel sheet has the following values, in that with the respective of Column A(integer-month) if it find matches compare the values of Column “C” (integer-size) and create a new column next to it show difference.

Please need your help here, thank you.