Hi Guys! Can anyone help me with TAX Invoice calculation for eBay Sells?

For eg: if your ebay selling price is 500.00INR + 50.000 Shipping and product VAT/CST is 4%. How will you create invoice? Please note: eBay fees + PaisaPay Fees is 7%+4.5% in manners to each sell.

Thanks in advance!

Regards,
VINIT DESAI