Commercial Mathematics - Goods and Services Tax

Find the amount of bill for the following intra state transaction of goods / services.

MRP (₹) $12,000$ $15,000$ $9,500$ $18,000$
Discount $\left(\%\right)$ $30$ $20$ $30$ $40$
CGST $\left(\%\right)$ $6$ $9$ $14$ $2.5$


MRP (₹) Discount $\left(\%\right)$ Discounted Price (₹) Selling Price (₹) CGST $\left(\%\right)$ CGST (₹) SGST (₹)
$12,000$ $30$ $3,600$ $8,400$ $6$ $504$ $504$
$15,000$ $20$ $3,000$ $12,000$ $9$ $1,080$ $1,080$
$9,500$ $30$ $2,850$ $6,650$ $14$ $931$ $931$
$18,000$ $40$ $7,200$ $10,800$ $2.5$ $270$ $270$

Total selling price $= S.P = $ ₹ $37,850$

Total CGST $= $ ₹ $2785$

Total SGST $= $ ₹ $2785$

Amount of bill $= S.P + CGST + SGST$

i.e. $\;$ Amount of bill $= $ ₹ $\left(37,850 + 2785 + 2785\right) = $ ₹ $43,420$