Some pens are bought at 10 for Rs 27 . If all the pens are sol | Data Interpertation & airthmatic

Some pens are bought at 10 for Rs 27 . If all the pens are sold for Rs 45 per dozen, then what is the profit/loss percent in the entire transaction?

(a) 36% profit
(b) 38.88% profit
(c) 40% loss
(d) 25% profit
(e) None of these