Calculate your earnings on each sale of book. It is so simple to calculate just put number of pages, book size and other details including MRP and just calculate.
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How it calculated
Royalty = (MRP - 18% GST) - (Handling charges + Production cost)
On seller site
Royalty = (MRP - 18% GST) - (Handling charges + Seller site commision + Production cost)
Include 18% GST in your MRP.