| Go to Gateway  of Tally > Accounting Vouchers > F8: Sales. You will notice  that the Quantities column is divided into two columns,  viz. Actual and Billed. 
 On 2-8-2017,  make a purchase invoice from Parvathi  Stockers for the following items which are NIL Rated : 
                                
                                  | Name    of the Item | Actual Qty | Billed Qty | Rate (in ₹. )
 |  
                                  | Rice  | 110 Kgs  | 100 Kgs  | 25  |  
                                  | Wheat  | 60 Kgs  | 50 Kgs  | 30  |    Setup :
 
                                
                                  Create a new stock item as Rice with the following details :              
                                                                  Group it  under stock group Foodstuffs 
                                  Unit of Measure - kgs (kilos) with decimal places - 3 (create if not present). 
     Accept the master creation without  any opening balance and return  to the Gateway of Tally.
 Step 1 : Create Purchase  Invoice
1.      Enter a Purchase invoice on 2-8-2017 on Parvathi stockers.
 2.      Price level - Not  Applicable
 3.      Select Rice under Name of Item
 4.      Type Actual Quantity as 110 kgs and Billed Quantity as 100 kgs
 5.      Specify the Rate as ₹. 25 and the value appears as ₹.. 2500 (billed quantity * rate). 
 6.      Allocate to Purchases ledger and press Enter.
 
                                Select another item Wheat and  enter the following details 
Type Actual Quantity as 60 kgs and Billed Quantity as 50 kgs
Specify Rate as ₹. 30, the amount  is defaulted as ₹.. 1500 7.      Press Enter and accept the purchase invoice. The Purchase invoice amounts to ₹.. 4,000 (Rice - ₹..  2500 and Wheat - ₹.. 1500).The screen appears as shown  below : 
  Step 2 : Display Stock  Summary
Go to Gateway of Tally > Stock Summary
 
                                Select Foodstuffs as  stock group and press Enter 
 Tally.ERP 9 displays 110 kgs of Rice stock item because this is the quantity that we have actually received  from the party. In case of Wheat the quantity appears as 60 kgs. Go to Gateway of Tally > Display > Account Books > Purchase Register
 
                                Tally.ERP 9 displays Voucher Register as  shown below :
                                  Press  Enter for August Month.
                                  Press Alt+F1 to display  the  stock summary in detailed format
                                  Press F12: Configure and activate the option Show Inventory  Details also 
 The inventory  details display 110 kgs for the stock item Rice, because this is the quantity that the party has billed  us for. (We have received  110 kgs of Rice i.e, the actual quantity. We will be making the payment for  only 100 kgs i.e., the billed quantity). Therefore, the actual quantity  affects the inventory books while  the billed quantity reflects in the accounting books. |