https://help.tallysolutions.com/docs/te9rel64/Advanced_Features/Advanced_Inventory_Features/Creating_Masters_for_Item_Cost_Tracking.htm

Configuring Masters for Item Cost Tracking

On enabling item costing for the company, the option Enable Cost Tracking? is available in ledger masters. Item cost tracking can be enabled from the ledger creation or alteration screens. Cost tracking can be enabled for stock item masters, and accounting ledgers grouped under Expenses & Incomes ( Direct/Indirect ), Purchases & Sales accounts.

To configure stock items for cost tracking

1. Go to Gateway of Tally > Inventory Info > Stock Items > Create / Alter .

2. Set the option Enable Cost Tracking to Yes .

Note: The option Enable Cost Tracking will not be displayed if the Unit of measure for the stock item isn't selected.

3. Enter other details as required.

4. Press Enter to save the stock item.

To configure accounting ledgers for cost tracking

1. Go to Gateway of Tally > Accounts Info > Ledgers > Create / Alter .

2. Enable Allow Stock Item Cost allocation? .

The Ledger Alteration screen appears as  shown below:

3. Enter other details as required.

Note: The option Allow Stock Item Cost allocation appears only for the ledgers grouped under Expenses & Incomes ( Direct/Indirect ), Purchases & Sales Accounts.

4. Press Enter to save.