Mathematics and Statistics · Ch 18 — Commercial Mathematics
GST and Basic Taxation
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GST and Basic Taxation
GST (Goods and Services Tax) is an indirect tax levied on the supply of goods and services in India. At Std XI level we handle its basic computation on a single transaction.
Taxable value, GST and invoice value
- Taxable value — the price of the goods/services before tax (the base on which GST is charged).
- GST at rate is .
- Invoice (total) value
CGST, SGST and IGST
Note
How the GST rate is split
- For a sale within the same state (intra-state), GST is split equally into CGST (Central) and SGST (State): each is . So GST CGST SGST.
- For a sale between states (inter-state), the whole is charged as a single IGST. The total tax collected is the same either way; only the split differs.
Tip
Working backwards from a tax-inclusive price …
Definition 1Taxable value
The pre-tax price of goods/services — the base on which GST at is charged. Invoice value $=\text{taxable value}\left(1+ …
Definition 2CGST, SGST, IGST
Intra-state supply splits into CGST + SGST ; inter-state supply charges the full as IGST. …
Definition 3Tax-inclusive reversal
From a GST-inclusive price, taxable value ; the GST is the difference. Do not subtra …