A tradesman by means of his false balance defrauds to the extent of 40%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?  Select the correct option:
A) 17%
B) 77%
C) 44%
D) 96%
E) 47%
g% = 40 + 40 + (40*40)/100= 
<gadget id="calculator">40 + 40 + (40*40)/100</gadget>
<output>96</output>
96%   Answer: 96%
<result>D</result>
A tradesman by means of his false balance defrauds to the extent of 40%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?