11. Calculate the selling price and marked price

A shopkeeper purchased notebooks for \(Rs.\)456 per dozen. If he sold the notebooks at a discount of \(Rs.\)3 per notebook and had also gained \(Rs.\)\(125\), find the marked price of a dozen notebooks.

 

Selling price of the notebooks \(=\) \(Rs.\)

 

Marked price of each notebook \(=\) \(Rs.\)