a watch was sold at a loss of 10 %. if it was sold for rs. 140 more, there would have been a gain of 4 %. what is the cost price?	Choose the correct choice from the following
A) rs . 1000
B) rs . 1100
C) rs . 1200
D) rs . 1250
E) rs . 1500
<gadget id="calculator">140 * 100</gadget>
<output>14_000</output>

<gadget id="calculator">100 + 4</gadget>
<output>104</output>

<gadget id="calculator">100 - 10</gadget>
<output>90</output>

<gadget id="calculator">104 - 90</gadget>
<output>14</output>

<gadget id="calculator">14_000 / 14</gadget>
<output>1_000</output>

<result>A</result>
a watch was sold at a loss of 10 %. if it was sold for rs. 140 more, there would have been a gain of 4 %. what is the cost price?
divide(multiply(140, const_100), subtract(add(const_100, 4), subtract(const_100, 10)))
"explanation : 90 % 104 % - - - - - - - - 14 % - - - - 140 100 % - - - - ? = > rs . 1000 a )"