You have the option to calculate VAT on quantity for items on which VAT is calculated on quantity.
To enable this option
1. Go to Gateway of Tally > F11: Features > Statutory & Taxation .
2. Set the option Enable Value Added Tax (VAT)? to Yes .
3. Set the option Enable VAT on quantity? to Yes, i n the Company VAT Details screen, as shown below:
T o configure stock item for VAT on quantity calculation
1. Go to Gateway of Tally > Inventory Info. > Stock Items > Create or Alter .
2. Specify the required details in fields Name , Under , and Units .
3. Set the option VAT Applicable to Applicable .
4. Enable the option Set/alter VAT details? to open VAT Details screen.
o Specify the Classification , Type of Goods , Commodity Name , Commodity Code , Tax rate , and Tax type .
o Set the Calculation Type as On Quantity .
o Specify the Tax rate of the item per quantity.
o Press Ctrl+A to accept the VAT Details screen.
5. Press Ctrl+A to accept the Stock Item Creation screen.