Let C.P. = Rs. 100x ⇒ Selling price after profit of 19.6 % = 100x+10019.6​×100x=119.6xAcc. to ques,⇒ 119.6x=17,940⇒ x=119.617,940​=150⇒ C.P. = Rs. 15, 000Marked price after discount of 8%= 92100​×17,94= 19, 500∴ Profit when no discount is given= 15,00019,500−15,000​×100= 1545​×10=30%