How do we calculate taxable value for invoice with items with multiple rates, if a discount is applied on the gross amount?
Suppose I have an invoice with the following items
Item | Value | Rate |
Item 1 | 1,000 | 5% |
Item 2 | 1,000 | 12% |
If I give a discount of 10% on the gross amount, how do I calculate the GST?
If I calculate the discount on the 12% item, the total GST is ₹146. (5% of 1000 + 12% of 800)
If the discount is applied on taxable value of the lowest rate, the total GST is 160. (5% of 800 + 12% of 1000)
If the discount is applied on the total GST before discount, the discounted GST is 153. (5% of 900 + 12% of 900)