**Dear sir**

**I want to group by Column A (i.e. Item) and Column N (i.e. length) and also want to add the sum total of each change in lengths of column E,F,G,H,I,J In the column K subtotal of E:J lenghts of column & want to add the average of L,M,N**

Pls find the attachment what i looking for

Pls find the attachment what i looking for