Gateway of Tally > Create > type or select Stock Item > and press Enter. Alternatively, press Alt+G (Go To) > Create Master > Stock Item> and press Enter.
Press F12 (Configure) > set the option Provide Standard Buying and Selling Rates to Yes.
Cash Sales: In TallyPrime, recording sales for immediate payment is a one-step process. You can include details of all the things sold or services rendered in your invoice. As appropriate, these sales details can be assigned to a single ledger or numerous ledgers.