A tradesman by means of his false balance defrauds to the extent of 12%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?	Select the correct option:
A) 26.4
B) 25.44
C) 27.5
D) 28.54
E) 27
Explanation:   g% = 12 + 12 + (12*12)/100= 
<gadget id="calculator">12 + 12 + (12*12)/100</gadget>
<output>636/25 = around 25.44</output>
25.44%   Answer: 25.44
<result>B</result>
A tradesman by means of his false balance defrauds to the extent of 12%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?