John sold an item for Rs.4900/- and incurred a loss of 30%. At what price should he have sold the item to have gained a profit of 30%?  Choose the correct choice from the following choices:
A) 8800	B) 8900	C) 9000	D) 9100	E) 9200
Explanation:   30% loss means SP = 70% of CP   :. CP = Rs.4900x100/70 = Rs.7000.   The SP for a gain of 30% = 7000+30% of 3000 = 7000+2100= 
<gadget id="calculator">7000+2100</gadget>
<output>9_100</output>
Rs9100.   Answer: Option 9100
<result>D</result>
John sold an item for Rs.4900/- and incurred a loss of 30%. At what price should he have sold the item to have gained a profit of 30%?