Dawson sold an item for Rs.3600/- and incurred a loss of 10%. At what price should he have sold the item to have gained a profit of 10%? Choose the correct choice from the following options:
A) 4000 B) 4100 C) 4200 D) 4300 E) 4400
Explanation:   10% loss means SP = 90% of CP   :. CP = Rs.3600x100/90 = Rs.4000.   The SP for a gain of 10% = 4000+10% of 4000 = 4000+400= 
<gadget id="calculator">4000+400</gadget>
<output>4_400</output>
Rs4400.   Answer: Option 4400
<result>E</result>
Dawson sold an item for Rs.3600/- and incurred a loss of 10%. At what price should he have sold the item to have gained a profit of 10%?