Selling Price (𝑆𝑃SP) = ₹123.20
Using the formula:
Profit Percentage=(123.20−110110)×100%Profit Percentage=(110123.20−110)×100%
Profit Percentage=(13.20110)×100%Profit Percentage=(11013.20)×100%
Profit Percentage=(0.12)×100%Profit Percentage=(0.12)×100%
Profit Percentage=12%Profit Percentage=12%
So, the bookseller will make a profit of 12%.