A shopkeeper sold an air conditioner for Rs.25935 with a discount of 9% and earned a profit of 3.74%. What would have been the percentage of profit earned if no discount was offered?

Using the successive percentage formula (a + b + ab/100) for the discount and profit, we set -9 + 3.74 + (-9 * 3.74)/100 equal to the net percentage change relative to the marked price. This reveals that the marked price is 14% above the cost price. If no discount is offered, the shopkeeper sells the item directly at the marked price, resulting in a 14% profit.

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