A watch was sold at a loss of 10%. If it was sold for Rs.540 more, there would have been a gain of 8%. What is the cost price?  Choose the correct choice from the following answers.
A) 1000	B) 2998	C) 3000	D) 2788	E) 2991
90%   108%   --------   18% ---- 540   100% ---- ? =&gt; Rs.3000   Answer:3000
<result>C</result>
A watch was sold at a loss of 10%. If it was sold for Rs.540 more, there would have been a gain of 8%. What is the cost price?